Home / 22,216.92-30,659.09-12,145.38

Finding the Fourth Proportional to 22,216.92, 30,659.09 and 12,145.38

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Solution

The fourth proportional to 22,216.92, 30,659.09 and 12,145.38 is: 16,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.92 : 30,659.09 = 12,145.38 : x
  2. Step 2: Convert to fraction form
    22,216.92/30,659.09 = 12,145.38/x
  3. Step 3: Cross multiply
    22,216.92x = 30,659.09 × 12,145.38
  4. Step 4: Simplify right side
    22,216.92x = 372,366,237.78
  5. Step 5: Solve for x
    x = 372,366,237.78/22,216.92
  6. Step 6: Final answer
    x = 16,760.48

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Half scale
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Double scale
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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.