Home / 18,932.28-28,397.16-7,836.12

Finding the Fourth Proportional to 18,932.28, 28,397.16 and 7,836.12

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Solution

The fourth proportional to 18,932.28, 28,397.16 and 7,836.12 is: 11,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.28 : 28,397.16 = 7,836.12 : x
  2. Step 2: Convert to fraction form
    18,932.28/28,397.16 = 7,836.12/x
  3. Step 3: Cross multiply
    18,932.28x = 28,397.16 × 7,836.12
  4. Step 4: Simplify right side
    18,932.28x = 222,523,553.42
  5. Step 5: Solve for x
    x = 222,523,553.42/18,932.28
  6. Step 6: Final answer
    x = 11,753.66

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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.