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.