Home / 11,441.62-17,079.56-9,891.60

Finding the Fourth Proportional to 11,441.62, 17,079.56 and 9,891.60

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Solution

The fourth proportional to 11,441.62, 17,079.56 and 9,891.60 is: 14,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.62 : 17,079.56 = 9,891.60 : x
  2. Step 2: Convert to fraction form
    11,441.62/17,079.56 = 9,891.60/x
  3. Step 3: Cross multiply
    11,441.62x = 17,079.56 × 9,891.60
  4. Step 4: Simplify right side
    11,441.62x = 168,944,175.70
  5. Step 5: Solve for x
    x = 168,944,175.70/11,441.62
  6. Step 6: Final answer
    x = 14,765.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.