Home / 11,691.97-16,134.25-6,657.42

Finding the Fourth Proportional to 11,691.97, 16,134.25 and 6,657.42

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Solution

The fourth proportional to 11,691.97, 16,134.25 and 6,657.42 is: 9,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.97 : 16,134.25 = 6,657.42 : x
  2. Step 2: Convert to fraction form
    11,691.97/16,134.25 = 6,657.42/x
  3. Step 3: Cross multiply
    11,691.97x = 16,134.25 × 6,657.42
  4. Step 4: Simplify right side
    11,691.97x = 107,412,478.64
  5. Step 5: Solve for x
    x = 107,412,478.64/11,691.97
  6. Step 6: Final answer
    x = 9,186.86

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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.