Home / 10,442.97-15,644.84-5,171.85

Finding the Fourth Proportional to 10,442.97, 15,644.84 and 5,171.85

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Solution

The fourth proportional to 10,442.97, 15,644.84 and 5,171.85 is: 7,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.97 : 15,644.84 = 5,171.85 : x
  2. Step 2: Convert to fraction form
    10,442.97/15,644.84 = 5,171.85/x
  3. Step 3: Cross multiply
    10,442.97x = 15,644.84 × 5,171.85
  4. Step 4: Simplify right side
    10,442.97x = 80,912,739.89
  5. Step 5: Solve for x
    x = 80,912,739.89/10,442.97
  6. Step 6: Final answer
    x = 7,748.06

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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.