Home / 15,182.97-20,952.60-8,469.03

Finding the Fourth Proportional to 15,182.97, 20,952.60 and 8,469.03

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Solution

The fourth proportional to 15,182.97, 20,952.60 and 8,469.03 is: 11,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.97 : 20,952.60 = 8,469.03 : x
  2. Step 2: Convert to fraction form
    15,182.97/20,952.60 = 8,469.03/x
  3. Step 3: Cross multiply
    15,182.97x = 20,952.60 × 8,469.03
  4. Step 4: Simplify right side
    15,182.97x = 177,448,197.98
  5. Step 5: Solve for x
    x = 177,448,197.98/15,182.97
  6. Step 6: Final answer
    x = 11,687.32

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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.