Home / 20,079.43-27,709.28-11,004.73

Finding the Fourth Proportional to 20,079.43, 27,709.28 and 11,004.73

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Solution

The fourth proportional to 20,079.43, 27,709.28 and 11,004.73 is: 15,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.43 : 27,709.28 = 11,004.73 : x
  2. Step 2: Convert to fraction form
    20,079.43/27,709.28 = 11,004.73/x
  3. Step 3: Cross multiply
    20,079.43x = 27,709.28 × 11,004.73
  4. Step 4: Simplify right side
    20,079.43x = 304,933,061.87
  5. Step 5: Solve for x
    x = 304,933,061.87/20,079.43
  6. Step 6: Final answer
    x = 15,186.34

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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.