Home / 11,531.27-17,270.09-11,131.73

Finding the Fourth Proportional to 11,531.27, 17,270.09 and 11,131.73

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Solution

The fourth proportional to 11,531.27, 17,270.09 and 11,131.73 is: 16,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.27 : 17,270.09 = 11,131.73 : x
  2. Step 2: Convert to fraction form
    11,531.27/17,270.09 = 11,131.73/x
  3. Step 3: Cross multiply
    11,531.27x = 17,270.09 × 11,131.73
  4. Step 4: Simplify right side
    11,531.27x = 192,245,943.45
  5. Step 5: Solve for x
    x = 192,245,943.45/11,531.27
  6. Step 6: Final answer
    x = 16,671.70

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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.