Home / 11,839.28-17,754.27-4,439.71

Finding the Fourth Proportional to 11,839.28, 17,754.27 and 4,439.71

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Solution

The fourth proportional to 11,839.28, 17,754.27 and 4,439.71 is: 6,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.28 : 17,754.27 = 4,439.71 : x
  2. Step 2: Convert to fraction form
    11,839.28/17,754.27 = 4,439.71/x
  3. Step 3: Cross multiply
    11,839.28x = 17,754.27 × 4,439.71
  4. Step 4: Simplify right side
    11,839.28x = 78,823,721.29
  5. Step 5: Solve for x
    x = 78,823,721.29/11,839.28
  6. Step 6: Final answer
    x = 6,657.81

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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.