Home / 17,220.66-25,789.98-11,960.92

Finding the Fourth Proportional to 17,220.66, 25,789.98 and 11,960.92

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Solution

The fourth proportional to 17,220.66, 25,789.98 and 11,960.92 is: 17,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.66 : 25,789.98 = 11,960.92 : x
  2. Step 2: Convert to fraction form
    17,220.66/25,789.98 = 11,960.92/x
  3. Step 3: Cross multiply
    17,220.66x = 25,789.98 × 11,960.92
  4. Step 4: Simplify right side
    17,220.66x = 308,471,887.58
  5. Step 5: Solve for x
    x = 308,471,887.58/17,220.66
  6. Step 6: Final answer
    x = 17,912.90

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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.