Home / 20,198.01-27,869.92-11,245.29

Finding the Fourth Proportional to 20,198.01, 27,869.92 and 11,245.29

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Solution

The fourth proportional to 20,198.01, 27,869.92 and 11,245.29 is: 15,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.01 : 27,869.92 = 11,245.29 : x
  2. Step 2: Convert to fraction form
    20,198.01/27,869.92 = 11,245.29/x
  3. Step 3: Cross multiply
    20,198.01x = 27,869.92 × 11,245.29
  4. Step 4: Simplify right side
    20,198.01x = 313,405,332.68
  5. Step 5: Solve for x
    x = 313,405,332.68/20,198.01
  6. Step 6: Final answer
    x = 15,516.64

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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.