Home / 10,251.17-15,376.75-5,865.53

Finding the Fourth Proportional to 10,251.17, 15,376.75 and 5,865.53

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Solution

The fourth proportional to 10,251.17, 15,376.75 and 5,865.53 is: 8,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.17 : 15,376.75 = 5,865.53 : x
  2. Step 2: Convert to fraction form
    10,251.17/15,376.75 = 5,865.53/x
  3. Step 3: Cross multiply
    10,251.17x = 15,376.75 × 5,865.53
  4. Step 4: Simplify right side
    10,251.17x = 90,192,729.87
  5. Step 5: Solve for x
    x = 90,192,729.87/10,251.17
  6. Step 6: Final answer
    x = 8,798.29

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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.