Home / 20,013.39-29,995.47-11,229.85

Finding the Fourth Proportional to 20,013.39, 29,995.47 and 11,229.85

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Solution

The fourth proportional to 20,013.39, 29,995.47 and 11,229.85 is: 16,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.39 : 29,995.47 = 11,229.85 : x
  2. Step 2: Convert to fraction form
    20,013.39/29,995.47 = 11,229.85/x
  3. Step 3: Cross multiply
    20,013.39x = 29,995.47 × 11,229.85
  4. Step 4: Simplify right side
    20,013.39x = 336,844,422.65
  5. Step 5: Solve for x
    x = 336,844,422.65/20,013.39
  6. Step 6: Final answer
    x = 16,830.96

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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.