Home / 12,517.48-18,743.82-9,912.52

Finding the Fourth Proportional to 12,517.48, 18,743.82 and 9,912.52

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Solution

The fourth proportional to 12,517.48, 18,743.82 and 9,912.52 is: 14,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.48 : 18,743.82 = 9,912.52 : x
  2. Step 2: Convert to fraction form
    12,517.48/18,743.82 = 9,912.52/x
  3. Step 3: Cross multiply
    12,517.48x = 18,743.82 × 9,912.52
  4. Step 4: Simplify right side
    12,517.48x = 185,798,490.63
  5. Step 5: Solve for x
    x = 185,798,490.63/12,517.48
  6. Step 6: Final answer
    x = 14,843.12

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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.