The proportion is .
(Compare denominators)
(Find the value of a 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=74480e3c3129f3d412362376f3bdad5d.png\")
(Compare denominators)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af1e86b27ec71af90fcfaf8429c18a9c.png\")
(Find the value of a using multiple of denominator)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3870fa1bb87f92f0cf059024180d4818.png\")
(![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ab72cc30bb6dc0c9efff6ee7639b410.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3870fa1bb87f92f0cf059024180d4818.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
.