Home / 9,081.28-13,649.10-7,531.48

Finding the Fourth Proportional to 9,081.28, 13,649.10 and 7,531.48

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Solution

The fourth proportional to 9,081.28, 13,649.10 and 7,531.48 is: 11,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.28 : 13,649.10 = 7,531.48 : x
  2. Step 2: Convert to fraction form
    9,081.28/13,649.10 = 7,531.48/x
  3. Step 3: Cross multiply
    9,081.28x = 13,649.10 × 7,531.48
  4. Step 4: Simplify right side
    9,081.28x = 102,797,923.67
  5. Step 5: Solve for x
    x = 102,797,923.67/9,081.28
  6. Step 6: Final answer
    x = 11,319.76

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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.