Home / 16,402.20-22,632.98-9,231.24

Finding the Fourth Proportional to 16,402.20, 22,632.98 and 9,231.24

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Solution

The fourth proportional to 16,402.20, 22,632.98 and 9,231.24 is: 12,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.20 : 22,632.98 = 9,231.24 : x
  2. Step 2: Convert to fraction form
    16,402.20/22,632.98 = 9,231.24/x
  3. Step 3: Cross multiply
    16,402.20x = 22,632.98 × 9,231.24
  4. Step 4: Simplify right side
    16,402.20x = 208,930,470.30
  5. Step 5: Solve for x
    x = 208,930,470.30/16,402.20
  6. Step 6: Final answer
    x = 12,737.95

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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.