Home / 9,081.28-13,614.68-8,352.32

Finding the Fourth Proportional to 9,081.28, 13,614.68 and 8,352.32

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Solution

The fourth proportional to 9,081.28, 13,614.68 and 8,352.32 is: 12,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.28 : 13,614.68 = 8,352.32 : x
  2. Step 2: Convert to fraction form
    9,081.28/13,614.68 = 8,352.32/x
  3. Step 3: Cross multiply
    9,081.28x = 13,614.68 × 8,352.32
  4. Step 4: Simplify right side
    9,081.28x = 113,714,164.06
  5. Step 5: Solve for x
    x = 113,714,164.06/9,081.28
  6. Step 6: Final answer
    x = 12,521.82

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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.