Home / 9,191.28-13,781.70-6,273.12

Finding the Fourth Proportional to 9,191.28, 13,781.70 and 6,273.12

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Solution

The fourth proportional to 9,191.28, 13,781.70 and 6,273.12 is: 9,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.28 : 13,781.70 = 6,273.12 : x
  2. Step 2: Convert to fraction form
    9,191.28/13,781.70 = 6,273.12/x
  3. Step 3: Cross multiply
    9,191.28x = 13,781.70 × 6,273.12
  4. Step 4: Simplify right side
    9,191.28x = 86,454,257.90
  5. Step 5: Solve for x
    x = 86,454,257.90/9,191.28
  6. Step 6: Final answer
    x = 9,406.12

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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.