Home / 10,523.06-15,787.02-3,127.36

Finding the Fourth Proportional to 10,523.06, 15,787.02 and 3,127.36

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Solution

The fourth proportional to 10,523.06, 15,787.02 and 3,127.36 is: 4,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.06 : 15,787.02 = 3,127.36 : x
  2. Step 2: Convert to fraction form
    10,523.06/15,787.02 = 3,127.36/x
  3. Step 3: Cross multiply
    10,523.06x = 15,787.02 × 3,127.36
  4. Step 4: Simplify right side
    10,523.06x = 49,371,694.87
  5. Step 5: Solve for x
    x = 49,371,694.87/10,523.06
  6. Step 6: Final answer
    x = 4,691.76

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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.