Home / 18,187.28-25,098.66-10,229.44

Finding the Fourth Proportional to 18,187.28, 25,098.66 and 10,229.44

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Solution

The fourth proportional to 18,187.28, 25,098.66 and 10,229.44 is: 14,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.28 : 25,098.66 = 10,229.44 : x
  2. Step 2: Convert to fraction form
    18,187.28/25,098.66 = 10,229.44/x
  3. Step 3: Cross multiply
    18,187.28x = 25,098.66 × 10,229.44
  4. Step 4: Simplify right side
    18,187.28x = 256,745,220.86
  5. Step 5: Solve for x
    x = 256,745,220.86/18,187.28
  6. Step 6: Final answer
    x = 14,116.74

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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.