Home / 15,004.16-22,489.28-9,147.92

Finding the Fourth Proportional to 15,004.16, 22,489.28 and 9,147.92

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Solution

The fourth proportional to 15,004.16, 22,489.28 and 9,147.92 is: 13,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.16 : 22,489.28 = 9,147.92 : x
  2. Step 2: Convert to fraction form
    15,004.16/22,489.28 = 9,147.92/x
  3. Step 3: Cross multiply
    15,004.16x = 22,489.28 × 9,147.92
  4. Step 4: Simplify right side
    15,004.16x = 205,730,134.30
  5. Step 5: Solve for x
    x = 205,730,134.30/15,004.16
  6. Step 6: Final answer
    x = 13,711.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.