Home / 9,997.38-14,979.62-3,419.97

Finding the Fourth Proportional to 9,997.38, 14,979.62 and 3,419.97

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Solution

The fourth proportional to 9,997.38, 14,979.62 and 3,419.97 is: 5,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.38 : 14,979.62 = 3,419.97 : x
  2. Step 2: Convert to fraction form
    9,997.38/14,979.62 = 3,419.97/x
  3. Step 3: Cross multiply
    9,997.38x = 14,979.62 × 3,419.97
  4. Step 4: Simplify right side
    9,997.38x = 51,229,833.91
  5. Step 5: Solve for x
    x = 51,229,833.91/9,997.38
  6. Step 6: Final answer
    x = 5,124.33

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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.