Home / 18,149.30-25,042.87-10,081.66

Finding the Fourth Proportional to 18,149.30, 25,042.87 and 10,081.66

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Solution

The fourth proportional to 18,149.30, 25,042.87 and 10,081.66 is: 13,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.30 : 25,042.87 = 10,081.66 : x
  2. Step 2: Convert to fraction form
    18,149.30/25,042.87 = 10,081.66/x
  3. Step 3: Cross multiply
    18,149.30x = 25,042.87 × 10,081.66
  4. Step 4: Simplify right side
    18,149.30x = 252,473,650.36
  5. Step 5: Solve for x
    x = 252,473,650.36/18,149.30
  6. Step 6: Final answer
    x = 13,910.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.