Home / 22,511.28-33,788.10-11,425.92

Finding the Fourth Proportional to 22,511.28, 33,788.10 and 11,425.92

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Solution

The fourth proportional to 22,511.28, 33,788.10 and 11,425.92 is: 17,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.28 : 33,788.10 = 11,425.92 : x
  2. Step 2: Convert to fraction form
    22,511.28/33,788.10 = 11,425.92/x
  3. Step 3: Cross multiply
    22,511.28x = 33,788.10 × 11,425.92
  4. Step 4: Simplify right side
    22,511.28x = 386,060,127.55
  5. Step 5: Solve for x
    x = 386,060,127.55/22,511.28
  6. Step 6: Final answer
    x = 17,149.63

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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.