Home / 18,660.73-27,991.13-5,522.33

Finding the Fourth Proportional to 18,660.73, 27,991.13 and 5,522.33

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Solution

The fourth proportional to 18,660.73, 27,991.13 and 5,522.33 is: 8,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.73 : 27,991.13 = 5,522.33 : x
  2. Step 2: Convert to fraction form
    18,660.73/27,991.13 = 5,522.33/x
  3. Step 3: Cross multiply
    18,660.73x = 27,991.13 × 5,522.33
  4. Step 4: Simplify right side
    18,660.73x = 154,576,256.93
  5. Step 5: Solve for x
    x = 154,576,256.93/18,660.73
  6. Step 6: Final answer
    x = 8,283.51

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Similar ratio
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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.