The proportion is .
(Compare denominators)
(Find the value of b using multiple of denominator)
()
The solution is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1edeea28adf1d3828ac3aee8a096a310.png\")
(Compare denominators)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fb14ba476475958a40483b8952dd780a.png\")
(Find the value of b using multiple of denominator)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=85e886160a8fbe93d365d60466c4803f.png\")
(![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6fbaf1836ef9aefb0f48d58e4ca1e97e.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=85e886160a8fbe93d365d60466c4803f.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
.