Home / 12,625.73-18,937.89-3,859.97

Finding the Fourth Proportional to 12,625.73, 18,937.89 and 3,859.97

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Solution

The fourth proportional to 12,625.73, 18,937.89 and 3,859.97 is: 5,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.73 : 18,937.89 = 3,859.97 : x
  2. Step 2: Convert to fraction form
    12,625.73/18,937.89 = 3,859.97/x
  3. Step 3: Cross multiply
    12,625.73x = 18,937.89 × 3,859.97
  4. Step 4: Simplify right side
    12,625.73x = 73,099,687.26
  5. Step 5: Solve for x
    x = 73,099,687.26/12,625.73
  6. Step 6: Final answer
    x = 5,789.74

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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.