Home / 18,218.09-27,265.41-11,202.54

Finding the Fourth Proportional to 18,218.09, 27,265.41 and 11,202.54

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Solution

The fourth proportional to 18,218.09, 27,265.41 and 11,202.54 is: 16,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.09 : 27,265.41 = 11,202.54 : x
  2. Step 2: Convert to fraction form
    18,218.09/27,265.41 = 11,202.54/x
  3. Step 3: Cross multiply
    18,218.09x = 27,265.41 × 11,202.54
  4. Step 4: Simplify right side
    18,218.09x = 305,441,873.81
  5. Step 5: Solve for x
    x = 305,441,873.81/18,218.09
  6. Step 6: Final answer
    x = 16,765.86

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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.