Home / 18,340.97-27,520.83-8,734.71

Finding the Fourth Proportional to 18,340.97, 27,520.83 and 8,734.71

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Solution

The fourth proportional to 18,340.97, 27,520.83 and 8,734.71 is: 13,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.97 : 27,520.83 = 8,734.71 : x
  2. Step 2: Convert to fraction form
    18,340.97/27,520.83 = 8,734.71/x
  3. Step 3: Cross multiply
    18,340.97x = 27,520.83 × 8,734.71
  4. Step 4: Simplify right side
    18,340.97x = 240,386,469.01
  5. Step 5: Solve for x
    x = 240,386,469.01/18,340.97
  6. Step 6: Final answer
    x = 13,106.53

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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.