Home / 17,149.26-23,658.98-11,178.75

Finding the Fourth Proportional to 17,149.26, 23,658.98 and 11,178.75

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Solution

The fourth proportional to 17,149.26, 23,658.98 and 11,178.75 is: 15,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.26 : 23,658.98 = 11,178.75 : x
  2. Step 2: Convert to fraction form
    17,149.26/23,658.98 = 11,178.75/x
  3. Step 3: Cross multiply
    17,149.26x = 23,658.98 × 11,178.75
  4. Step 4: Simplify right side
    17,149.26x = 264,477,766.78
  5. Step 5: Solve for x
    x = 264,477,766.78/17,149.26
  6. Step 6: Final answer
    x = 15,422.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.