174,058 views
35 votes
35 votes
Solve the proportion15/a=3/2

User Poeschlorn
by
3.3k points

1 Answer

9 votes
9 votes

(15)/(a)=(3)/(2)

to solve for a we have to cross multiply,


\begin{gathered} (15)/(a)=(3)/(2) \\ 15(2)=3(a) \\ 30=3a \\ (30)/(3)=(3a)/(3) \\ 10=a \\ a=10 \end{gathered}

Answer: a = 10

User Linski
by
3.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.