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Finding the Fourth Proportional to 10,710.72, 16,062.84 and 6,327

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Solution

The fourth proportional to 10,710.72, 16,062.84 and 6,327 is: 9,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.72 : 16,062.84 = 6,327 : x
  2. Step 2: Convert to fraction form
    10,710.72/16,062.84 = 6,327/x
  3. Step 3: Cross multiply
    10,710.72x = 16,062.84 × 6,327
  4. Step 4: Simplify right side
    10,710.72x = 101,629,588.68
  5. Step 5: Solve for x
    x = 101,629,588.68/10,710.72
  6. Step 6: Final answer
    x = 9,488.59

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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.