Home / 10,872.42-16,311.87-6,252.18

Finding the Fourth Proportional to 10,872.42, 16,311.87 and 6,252.18

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Solution

The fourth proportional to 10,872.42, 16,311.87 and 6,252.18 is: 9,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.42 : 16,311.87 = 6,252.18 : x
  2. Step 2: Convert to fraction form
    10,872.42/16,311.87 = 6,252.18/x
  3. Step 3: Cross multiply
    10,872.42x = 16,311.87 × 6,252.18
  4. Step 4: Simplify right side
    10,872.42x = 101,984,747.38
  5. Step 5: Solve for x
    x = 101,984,747.38/10,872.42
  6. Step 6: Final answer
    x = 9,380.13

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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.