Home / 9,961.38-14,939.24-3,387.42

Finding the Fourth Proportional to 9,961.38, 14,939.24 and 3,387.42

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Solution

The fourth proportional to 9,961.38, 14,939.24 and 3,387.42 is: 5,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.38 : 14,939.24 = 3,387.42 : x
  2. Step 2: Convert to fraction form
    9,961.38/14,939.24 = 3,387.42/x
  3. Step 3: Cross multiply
    9,961.38x = 14,939.24 × 3,387.42
  4. Step 4: Simplify right side
    9,961.38x = 50,605,463.42
  5. Step 5: Solve for x
    x = 50,605,463.42/9,961.38
  6. Step 6: Final answer
    x = 5,080.17

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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.