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Finding the Fourth Proportional to 16,432.92, 22,676.22 and 9,359.10

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Solution

The fourth proportional to 16,432.92, 22,676.22 and 9,359.10 is: 12,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.92 : 22,676.22 = 9,359.10 : x
  2. Step 2: Convert to fraction form
    16,432.92/22,676.22 = 9,359.10/x
  3. Step 3: Cross multiply
    16,432.92x = 22,676.22 × 9,359.10
  4. Step 4: Simplify right side
    16,432.92x = 212,229,010.60
  5. Step 5: Solve for x
    x = 212,229,010.60/16,432.92
  6. Step 6: Final answer
    x = 12,914.87

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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.