Home / 20,101.44-27,737.84-11,146.56

Finding the Fourth Proportional to 20,101.44, 27,737.84 and 11,146.56

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Solution

The fourth proportional to 20,101.44, 27,737.84 and 11,146.56 is: 15,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.44 : 27,737.84 = 11,146.56 : x
  2. Step 2: Convert to fraction form
    20,101.44/27,737.84 = 11,146.56/x
  3. Step 3: Cross multiply
    20,101.44x = 27,737.84 × 11,146.56
  4. Step 4: Simplify right side
    20,101.44x = 309,181,497.83
  5. Step 5: Solve for x
    x = 309,181,497.83/20,101.44
  6. Step 6: Final answer
    x = 15,381.06

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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.