Home / 15,531.42-23,294.25-5,141.82

Finding the Fourth Proportional to 15,531.42, 23,294.25 and 5,141.82

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Solution

The fourth proportional to 15,531.42, 23,294.25 and 5,141.82 is: 7,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.42 : 23,294.25 = 5,141.82 : x
  2. Step 2: Convert to fraction form
    15,531.42/23,294.25 = 5,141.82/x
  3. Step 3: Cross multiply
    15,531.42x = 23,294.25 × 5,141.82
  4. Step 4: Simplify right side
    15,531.42x = 119,774,840.54
  5. Step 5: Solve for x
    x = 119,774,840.54/15,531.42
  6. Step 6: Final answer
    x = 7,711.78

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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.