Home / 10,511.24-15,773.40-3,942.04

Finding the Fourth Proportional to 10,511.24, 15,773.40 and 3,942.04

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Solution

The fourth proportional to 10,511.24, 15,773.40 and 3,942.04 is: 5,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.24 : 15,773.40 = 3,942.04 : x
  2. Step 2: Convert to fraction form
    10,511.24/15,773.40 = 3,942.04/x
  3. Step 3: Cross multiply
    10,511.24x = 15,773.40 × 3,942.04
  4. Step 4: Simplify right side
    10,511.24x = 62,179,373.74
  5. Step 5: Solve for x
    x = 62,179,373.74/10,511.24
  6. Step 6: Final answer
    x = 5,915.51

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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.