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Finding the Fourth Proportional to 22,513.59, 33,767.86 and 8,652.87

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Solution

The fourth proportional to 22,513.59, 33,767.86 and 8,652.87 is: 12,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.59 : 33,767.86 = 8,652.87 : x
  2. Step 2: Convert to fraction form
    22,513.59/33,767.86 = 8,652.87/x
  3. Step 3: Cross multiply
    22,513.59x = 33,767.86 × 8,652.87
  4. Step 4: Simplify right side
    22,513.59x = 292,188,712.29
  5. Step 5: Solve for x
    x = 292,188,712.29/22,513.59
  6. Step 6: Final answer
    x = 12,978.33

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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.