Home / 15,512.00-21,397.86-9,542.50

Finding the Fourth Proportional to 15,512.00, 21,397.86 and 9,542.50

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Solution

The fourth proportional to 15,512.00, 21,397.86 and 9,542.50 is: 13,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.00 : 21,397.86 = 9,542.50 : x
  2. Step 2: Convert to fraction form
    15,512.00/21,397.86 = 9,542.50/x
  3. Step 3: Cross multiply
    15,512.00x = 21,397.86 × 9,542.50
  4. Step 4: Simplify right side
    15,512.00x = 204,189,025.56
  5. Step 5: Solve for x
    x = 204,189,025.56/15,512.00
  6. Step 6: Final answer
    x = 13,163.30

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1.5x scale

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.