Home / 19,671.68-27,144.56-11,170.73

Finding the Fourth Proportional to 19,671.68, 27,144.56 and 11,170.73

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Solution

The fourth proportional to 19,671.68, 27,144.56 and 11,170.73 is: 15,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.68 : 27,144.56 = 11,170.73 : x
  2. Step 2: Convert to fraction form
    19,671.68/27,144.56 = 11,170.73/x
  3. Step 3: Cross multiply
    19,671.68x = 27,144.56 × 11,170.73
  4. Step 4: Simplify right side
    19,671.68x = 303,224,359.15
  5. Step 5: Solve for x
    x = 303,224,359.15/19,671.68
  6. Step 6: Final answer
    x = 15,414.26

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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.