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Finding the Fourth Proportional to 16,124.88, 22,251.96 and 9,051.12

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Solution

The fourth proportional to 16,124.88, 22,251.96 and 9,051.12 is: 12,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.88 : 22,251.96 = 9,051.12 : x
  2. Step 2: Convert to fraction form
    16,124.88/22,251.96 = 9,051.12/x
  3. Step 3: Cross multiply
    16,124.88x = 22,251.96 × 9,051.12
  4. Step 4: Simplify right side
    16,124.88x = 201,405,160.20
  5. Step 5: Solve for x
    x = 201,405,160.20/16,124.88
  6. Step 6: Final answer
    x = 12,490.34

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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.