Cost of 8 gallons quantity is $24.72.
\Cost of 14 gallons quantity is dollars. \ \
Find the value of .
A proportion is an equation stating that two ratios are equal.
\Thus If the four variables and
are in proportion then
.
Here and
.
From the definition of proportion of ratios, .
When the two ratios are equal then cross product of the ratios are equal.
\Find the value of by cross multiplication.
. \ \
Meaning of is Cost of 14 gallons quantity is 43.26 dollars.