Home / 12,625.32-18,937.26-3,860.04

Finding the Fourth Proportional to 12,625.32, 18,937.26 and 3,860.04

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Solution

The fourth proportional to 12,625.32, 18,937.26 and 3,860.04 is: 5,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.32 : 18,937.26 = 3,860.04 : x
  2. Step 2: Convert to fraction form
    12,625.32/18,937.26 = 3,860.04/x
  3. Step 3: Cross multiply
    12,625.32x = 18,937.26 × 3,860.04
  4. Step 4: Simplify right side
    12,625.32x = 73,098,581.09
  5. Step 5: Solve for x
    x = 73,098,581.09/12,625.32
  6. Step 6: Final answer
    x = 5,789.84

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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.