Home / 15,394.82-23,078.34-5,531.85

Finding the Fourth Proportional to 15,394.82, 23,078.34 and 5,531.85

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Solution

The fourth proportional to 15,394.82, 23,078.34 and 5,531.85 is: 8,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394.82 : 23,078.34 = 5,531.85 : x
  2. Step 2: Convert to fraction form
    15,394.82/23,078.34 = 5,531.85/x
  3. Step 3: Cross multiply
    15,394.82x = 23,078.34 × 5,531.85
  4. Step 4: Simplify right side
    15,394.82x = 127,665,915.13
  5. Step 5: Solve for x
    x = 127,665,915.13/15,394.82
  6. Step 6: Final answer
    x = 8,292.79

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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.