Home / 15,538.19-21,445.48-9,164.39

Finding the Fourth Proportional to 15,538.19, 21,445.48 and 9,164.39

Calculator

Solution

The fourth proportional to 15,538.19, 21,445.48 and 9,164.39 is: 12,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.19 : 21,445.48 = 9,164.39 : x
  2. Step 2: Convert to fraction form
    15,538.19/21,445.48 = 9,164.39/x
  3. Step 3: Cross multiply
    15,538.19x = 21,445.48 × 9,164.39
  4. Step 4: Simplify right side
    15,538.19x = 196,534,742.46
  5. Step 5: Solve for x
    x = 196,534,742.46/15,538.19
  6. Step 6: Final answer
    x = 12,648.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.