Home / 17,182.32-25,729.36-11,909.80

Finding the Fourth Proportional to 17,182.32, 25,729.36 and 11,909.80

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Solution

The fourth proportional to 17,182.32, 25,729.36 and 11,909.80 is: 17,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.32 : 25,729.36 = 11,909.80 : x
  2. Step 2: Convert to fraction form
    17,182.32/25,729.36 = 11,909.80/x
  3. Step 3: Cross multiply
    17,182.32x = 25,729.36 × 11,909.80
  4. Step 4: Simplify right side
    17,182.32x = 306,431,531.73
  5. Step 5: Solve for x
    x = 306,431,531.73/17,182.32
  6. Step 6: Final answer
    x = 17,834.12

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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.