Home / 8,976.12-13,459.67-5,229.11

Finding the Fourth Proportional to 8,976.12, 13,459.67 and 5,229.11

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Solution

The fourth proportional to 8,976.12, 13,459.67 and 5,229.11 is: 7,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.12 : 13,459.67 = 5,229.11 : x
  2. Step 2: Convert to fraction form
    8,976.12/13,459.67 = 5,229.11/x
  3. Step 3: Cross multiply
    8,976.12x = 13,459.67 × 5,229.11
  4. Step 4: Simplify right side
    8,976.12x = 70,382,046.40
  5. Step 5: Solve for x
    x = 70,382,046.40/8,976.12
  6. Step 6: Final answer
    x = 7,841.04

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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.