Home / 20,053.76-30,110.22-11,186.42

Finding the Fourth Proportional to 20,053.76, 30,110.22 and 11,186.42

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Solution

The fourth proportional to 20,053.76, 30,110.22 and 11,186.42 is: 16,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.76 : 30,110.22 = 11,186.42 : x
  2. Step 2: Convert to fraction form
    20,053.76/30,110.22 = 11,186.42/x
  3. Step 3: Cross multiply
    20,053.76x = 30,110.22 × 11,186.42
  4. Step 4: Simplify right side
    20,053.76x = 336,825,360.73
  5. Step 5: Solve for x
    x = 336,825,360.73/20,053.76
  6. Step 6: Final answer
    x = 16,796.12

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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.