Home / 11,380.29-15,704.88-6,344.84

Finding the Fourth Proportional to 11,380.29, 15,704.88 and 6,344.84

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Solution

The fourth proportional to 11,380.29, 15,704.88 and 6,344.84 is: 8,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.29 : 15,704.88 = 6,344.84 : x
  2. Step 2: Convert to fraction form
    11,380.29/15,704.88 = 6,344.84/x
  3. Step 3: Cross multiply
    11,380.29x = 15,704.88 × 6,344.84
  4. Step 4: Simplify right side
    11,380.29x = 99,644,872.29
  5. Step 5: Solve for x
    x = 99,644,872.29/11,380.29
  6. Step 6: Final answer
    x = 8,755.92

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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.