Home / 18,400.10-27,600.15-6,711.80

Finding the Fourth Proportional to 18,400.10, 27,600.15 and 6,711.80

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Solution

The fourth proportional to 18,400.10, 27,600.15 and 6,711.80 is: 10,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.10 : 27,600.15 = 6,711.80 : x
  2. Step 2: Convert to fraction form
    18,400.10/27,600.15 = 6,711.80/x
  3. Step 3: Cross multiply
    18,400.10x = 27,600.15 × 6,711.80
  4. Step 4: Simplify right side
    18,400.10x = 185,246,686.77
  5. Step 5: Solve for x
    x = 185,246,686.77/18,400.10
  6. Step 6: Final answer
    x = 10,067.70

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1.5x scale

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.