Home / 11,290.12-16,934.94-3,082.12

Finding the Fourth Proportional to 11,290.12, 16,934.94 and 3,082.12

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Solution

The fourth proportional to 11,290.12, 16,934.94 and 3,082.12 is: 4,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.12 : 16,934.94 = 3,082.12 : x
  2. Step 2: Convert to fraction form
    11,290.12/16,934.94 = 3,082.12/x
  3. Step 3: Cross multiply
    11,290.12x = 16,934.94 × 3,082.12
  4. Step 4: Simplify right side
    11,290.12x = 52,195,517.27
  5. Step 5: Solve for x
    x = 52,195,517.27/11,290.12
  6. Step 6: Final answer
    x = 4,623.11

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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.