Home / 18,727.57-28,105.60-6,892.53

Finding the Fourth Proportional to 18,727.57, 28,105.60 and 6,892.53

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Solution

The fourth proportional to 18,727.57, 28,105.60 and 6,892.53 is: 10,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.57 : 28,105.60 = 6,892.53 : x
  2. Step 2: Convert to fraction form
    18,727.57/28,105.60 = 6,892.53/x
  3. Step 3: Cross multiply
    18,727.57x = 28,105.60 × 6,892.53
  4. Step 4: Simplify right side
    18,727.57x = 193,718,691.17
  5. Step 5: Solve for x
    x = 193,718,691.17/18,727.57
  6. Step 6: Final answer
    x = 10,344.04

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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.