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Finding the Fourth Proportional to 16,471.40, 24,676.08 and 8,141.68

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Solution

The fourth proportional to 16,471.40, 24,676.08 and 8,141.68 is: 12,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.40 : 24,676.08 = 8,141.68 : x
  2. Step 2: Convert to fraction form
    16,471.40/24,676.08 = 8,141.68/x
  3. Step 3: Cross multiply
    16,471.40x = 24,676.08 × 8,141.68
  4. Step 4: Simplify right side
    16,471.40x = 200,904,747.01
  5. Step 5: Solve for x
    x = 200,904,747.01/16,471.40
  6. Step 6: Final answer
    x = 12,197.19

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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.