Home / 12,625.29-18,940.65-3,859.92

Finding the Fourth Proportional to 12,625.29, 18,940.65 and 3,859.92

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Solution

The fourth proportional to 12,625.29, 18,940.65 and 3,859.92 is: 5,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.29 : 18,940.65 = 3,859.92 : x
  2. Step 2: Convert to fraction form
    12,625.29/18,940.65 = 3,859.92/x
  3. Step 3: Cross multiply
    12,625.29x = 18,940.65 × 3,859.92
  4. Step 4: Simplify right side
    12,625.29x = 73,109,393.75
  5. Step 5: Solve for x
    x = 73,109,393.75/12,625.29
  6. Step 6: Final answer
    x = 5,790.71

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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.