Home / 11,517.68-17,279.16-4,021.54

Finding the Fourth Proportional to 11,517.68, 17,279.16 and 4,021.54

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Solution

The fourth proportional to 11,517.68, 17,279.16 and 4,021.54 is: 6,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.68 : 17,279.16 = 4,021.54 : x
  2. Step 2: Convert to fraction form
    11,517.68/17,279.16 = 4,021.54/x
  3. Step 3: Cross multiply
    11,517.68x = 17,279.16 × 4,021.54
  4. Step 4: Simplify right side
    11,517.68x = 69,488,774.83
  5. Step 5: Solve for x
    x = 69,488,774.83/11,517.68
  6. Step 6: Final answer
    x = 6,033.23

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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.