Home / 20,064.86-27,687.22-11,110.11

Finding the Fourth Proportional to 20,064.86, 27,687.22 and 11,110.11

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Solution

The fourth proportional to 20,064.86, 27,687.22 and 11,110.11 is: 15,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.86 : 27,687.22 = 11,110.11 : x
  2. Step 2: Convert to fraction form
    20,064.86/27,687.22 = 11,110.11/x
  3. Step 3: Cross multiply
    20,064.86x = 27,687.22 × 11,110.11
  4. Step 4: Simplify right side
    20,064.86x = 307,608,059.79
  5. Step 5: Solve for x
    x = 307,608,059.79/20,064.86
  6. Step 6: Final answer
    x = 15,330.69

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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.