Home / 15,072.24-22,597.82-5,712.78

Finding the Fourth Proportional to 15,072.24, 22,597.82 and 5,712.78

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Solution

The fourth proportional to 15,072.24, 22,597.82 and 5,712.78 is: 8,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.24 : 22,597.82 = 5,712.78 : x
  2. Step 2: Convert to fraction form
    15,072.24/22,597.82 = 5,712.78/x
  3. Step 3: Cross multiply
    15,072.24x = 22,597.82 × 5,712.78
  4. Step 4: Simplify right side
    15,072.24x = 129,096,374.14
  5. Step 5: Solve for x
    x = 129,096,374.14/15,072.24
  6. Step 6: Final answer
    x = 8,565.18

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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.