Home / 18,067.20-24,930.56-10,108.80

Finding the Fourth Proportional to 18,067.20, 24,930.56 and 10,108.80

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Solution

The fourth proportional to 18,067.20, 24,930.56 and 10,108.80 is: 13,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.20 : 24,930.56 = 10,108.80 : x
  2. Step 2: Convert to fraction form
    18,067.20/24,930.56 = 10,108.80/x
  3. Step 3: Cross multiply
    18,067.20x = 24,930.56 × 10,108.80
  4. Step 4: Simplify right side
    18,067.20x = 252,018,044.93
  5. Step 5: Solve for x
    x = 252,018,044.93/18,067.20
  6. Step 6: Final answer
    x = 13,948.93

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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.