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Finding the Fourth Proportional to 16,241.85, 22,414.05 and 9,166.91

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Solution

The fourth proportional to 16,241.85, 22,414.05 and 9,166.91 is: 12,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,241.85 : 22,414.05 = 9,166.91 : x
  2. Step 2: Convert to fraction form
    16,241.85/22,414.05 = 9,166.91/x
  3. Step 3: Cross multiply
    16,241.85x = 22,414.05 × 9,166.91
  4. Step 4: Simplify right side
    16,241.85x = 205,467,467.02
  5. Step 5: Solve for x
    x = 205,467,467.02/16,241.85
  6. Step 6: Final answer
    x = 12,650.50

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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.