Home / 9,930.92-13,704.62-5,454.75

Finding the Fourth Proportional to 9,930.92, 13,704.62 and 5,454.75

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Solution

The fourth proportional to 9,930.92, 13,704.62 and 5,454.75 is: 7,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.92 : 13,704.62 = 5,454.75 : x
  2. Step 2: Convert to fraction form
    9,930.92/13,704.62 = 5,454.75/x
  3. Step 3: Cross multiply
    9,930.92x = 13,704.62 × 5,454.75
  4. Step 4: Simplify right side
    9,930.92x = 74,755,248.67
  5. Step 5: Solve for x
    x = 74,755,248.67/9,930.92
  6. Step 6: Final answer
    x = 7,527.53

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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.