Home / 11,451.22-17,182.68-5,454.08

Finding the Fourth Proportional to 11,451.22, 17,182.68 and 5,454.08

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Solution

The fourth proportional to 11,451.22, 17,182.68 and 5,454.08 is: 8,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.22 : 17,182.68 = 5,454.08 : x
  2. Step 2: Convert to fraction form
    11,451.22/17,182.68 = 5,454.08/x
  3. Step 3: Cross multiply
    11,451.22x = 17,182.68 × 5,454.08
  4. Step 4: Simplify right side
    11,451.22x = 93,715,711.33
  5. Step 5: Solve for x
    x = 93,715,711.33/11,451.22
  6. Step 6: Final answer
    x = 8,183.91

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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.