Home / 9,319.39-13,981.11-5,373.20

Finding the Fourth Proportional to 9,319.39, 13,981.11 and 5,373.20

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Solution

The fourth proportional to 9,319.39, 13,981.11 and 5,373.20 is: 8,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.39 : 13,981.11 = 5,373.20 : x
  2. Step 2: Convert to fraction form
    9,319.39/13,981.11 = 5,373.20/x
  3. Step 3: Cross multiply
    9,319.39x = 13,981.11 × 5,373.20
  4. Step 4: Simplify right side
    9,319.39x = 75,123,273.39
  5. Step 5: Solve for x
    x = 75,123,273.39/9,319.39
  6. Step 6: Final answer
    x = 8,060.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.