Home / 18,202.41-27,268.60-11,161.87

Finding the Fourth Proportional to 18,202.41, 27,268.60 and 11,161.87

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Solution

The fourth proportional to 18,202.41, 27,268.60 and 11,161.87 is: 16,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.41 : 27,268.60 = 11,161.87 : x
  2. Step 2: Convert to fraction form
    18,202.41/27,268.60 = 11,161.87/x
  3. Step 3: Cross multiply
    18,202.41x = 27,268.60 × 11,161.87
  4. Step 4: Simplify right side
    18,202.41x = 304,368,568.28
  5. Step 5: Solve for x
    x = 304,368,568.28/18,202.41
  6. Step 6: Final answer
    x = 16,721.33

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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.