Home / 16,781.38-23,158.30-9,227.84

Finding the Fourth Proportional to 16,781.38, 23,158.30 and 9,227.84

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Solution

The fourth proportional to 16,781.38, 23,158.30 and 9,227.84 is: 12,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.38 : 23,158.30 = 9,227.84 : x
  2. Step 2: Convert to fraction form
    16,781.38/23,158.30 = 9,227.84/x
  3. Step 3: Cross multiply
    16,781.38x = 23,158.30 × 9,227.84
  4. Step 4: Simplify right side
    16,781.38x = 213,701,087.07
  5. Step 5: Solve for x
    x = 213,701,087.07/16,781.38
  6. Step 6: Final answer
    x = 12,734.42

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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.