Home / 20,161.44-27,823.50-11,211.48

Finding the Fourth Proportional to 20,161.44, 27,823.50 and 11,211.48

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Solution

The fourth proportional to 20,161.44, 27,823.50 and 11,211.48 is: 15,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.44 : 27,823.50 = 11,211.48 : x
  2. Step 2: Convert to fraction form
    20,161.44/27,823.50 = 11,211.48/x
  3. Step 3: Cross multiply
    20,161.44x = 27,823.50 × 11,211.48
  4. Step 4: Simplify right side
    20,161.44x = 311,942,613.78
  5. Step 5: Solve for x
    x = 311,942,613.78/20,161.44
  6. Step 6: Final answer
    x = 15,472.24

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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.