Home / 15,249.70-22,872.19-4,157.28

Finding the Fourth Proportional to 15,249.70, 22,872.19 and 4,157.28

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Solution

The fourth proportional to 15,249.70, 22,872.19 and 4,157.28 is: 6,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.70 : 22,872.19 = 4,157.28 : x
  2. Step 2: Convert to fraction form
    15,249.70/22,872.19 = 4,157.28/x
  3. Step 3: Cross multiply
    15,249.70x = 22,872.19 × 4,157.28
  4. Step 4: Simplify right side
    15,249.70x = 95,086,098.04
  5. Step 5: Solve for x
    x = 95,086,098.04/15,249.70
  6. Step 6: Final answer
    x = 6,235.28

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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.