Home / 11,380.15-15,704.61-6,344.26

Finding the Fourth Proportional to 11,380.15, 15,704.61 and 6,344.26

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Solution

The fourth proportional to 11,380.15, 15,704.61 and 6,344.26 is: 8,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.15 : 15,704.61 = 6,344.26 : x
  2. Step 2: Convert to fraction form
    11,380.15/15,704.61 = 6,344.26/x
  3. Step 3: Cross multiply
    11,380.15x = 15,704.61 × 6,344.26
  4. Step 4: Simplify right side
    11,380.15x = 99,634,209.81
  5. Step 5: Solve for x
    x = 99,634,209.81/11,380.15
  6. Step 6: Final answer
    x = 8,755.09

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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.