Home / 18,083.53-27,122.19-4,932.78

Finding the Fourth Proportional to 18,083.53, 27,122.19 and 4,932.78

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Solution

The fourth proportional to 18,083.53, 27,122.19 and 4,932.78 is: 7,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.53 : 27,122.19 = 4,932.78 : x
  2. Step 2: Convert to fraction form
    18,083.53/27,122.19 = 4,932.78/x
  3. Step 3: Cross multiply
    18,083.53x = 27,122.19 × 4,932.78
  4. Step 4: Simplify right side
    18,083.53x = 133,787,796.39
  5. Step 5: Solve for x
    x = 133,787,796.39/18,083.53
  6. Step 6: Final answer
    x = 7,398.32

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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.