Home / 11,440.20-17,170.14-6,519.72

Finding the Fourth Proportional to 11,440.20, 17,170.14 and 6,519.72

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Solution

The fourth proportional to 11,440.20, 17,170.14 and 6,519.72 is: 9,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.20 : 17,170.14 = 6,519.72 : x
  2. Step 2: Convert to fraction form
    11,440.20/17,170.14 = 6,519.72/x
  3. Step 3: Cross multiply
    11,440.20x = 17,170.14 × 6,519.72
  4. Step 4: Simplify right side
    11,440.20x = 111,944,505.16
  5. Step 5: Solve for x
    x = 111,944,505.16/11,440.20
  6. Step 6: Final answer
    x = 9,785.19

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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.