Home / 11,380.33-15,704.87-6,344.45

Finding the Fourth Proportional to 11,380.33, 15,704.87 and 6,344.45

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Solution

The fourth proportional to 11,380.33, 15,704.87 and 6,344.45 is: 8,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.33 : 15,704.87 = 6,344.45 : x
  2. Step 2: Convert to fraction form
    11,380.33/15,704.87 = 6,344.45/x
  3. Step 3: Cross multiply
    11,380.33x = 15,704.87 × 6,344.45
  4. Step 4: Simplify right side
    11,380.33x = 99,638,801.73
  5. Step 5: Solve for x
    x = 99,638,801.73/11,380.33
  6. Step 6: Final answer
    x = 8,755.35

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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.