Home / 10,874.82-16,318.50-5,877.21

Finding the Fourth Proportional to 10,874.82, 16,318.50 and 5,877.21

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Solution

The fourth proportional to 10,874.82, 16,318.50 and 5,877.21 is: 8,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.82 : 16,318.50 = 5,877.21 : x
  2. Step 2: Convert to fraction form
    10,874.82/16,318.50 = 5,877.21/x
  3. Step 3: Cross multiply
    10,874.82x = 16,318.50 × 5,877.21
  4. Step 4: Simplify right side
    10,874.82x = 95,907,251.39
  5. Step 5: Solve for x
    x = 95,907,251.39/10,874.82
  6. Step 6: Final answer
    x = 8,819.20

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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.