Home / 11,874.18-17,814.10-4,082.78

Finding the Fourth Proportional to 11,874.18, 17,814.10 and 4,082.78

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Solution

The fourth proportional to 11,874.18, 17,814.10 and 4,082.78 is: 6,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.18 : 17,814.10 = 4,082.78 : x
  2. Step 2: Convert to fraction form
    11,874.18/17,814.10 = 4,082.78/x
  3. Step 3: Cross multiply
    11,874.18x = 17,814.10 × 4,082.78
  4. Step 4: Simplify right side
    11,874.18x = 72,731,051.20
  5. Step 5: Solve for x
    x = 72,731,051.20/11,874.18
  6. Step 6: Final answer
    x = 6,125.14

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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.