Home / 11,380.14-15,704.06-6,344.90

Finding the Fourth Proportional to 11,380.14, 15,704.06 and 6,344.90

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Solution

The fourth proportional to 11,380.14, 15,704.06 and 6,344.90 is: 8,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.14 : 15,704.06 = 6,344.90 : x
  2. Step 2: Convert to fraction form
    11,380.14/15,704.06 = 6,344.90/x
  3. Step 3: Cross multiply
    11,380.14x = 15,704.06 × 6,344.90
  4. Step 4: Simplify right side
    11,380.14x = 99,640,690.29
  5. Step 5: Solve for x
    x = 99,640,690.29/11,380.14
  6. Step 6: Final answer
    x = 8,755.66

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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.