Home / 18,198.06-27,291.60-7,101.75

Finding the Fourth Proportional to 18,198.06, 27,291.60 and 7,101.75

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Solution

The fourth proportional to 18,198.06, 27,291.60 and 7,101.75 is: 10,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.06 : 27,291.60 = 7,101.75 : x
  2. Step 2: Convert to fraction form
    18,198.06/27,291.60 = 7,101.75/x
  3. Step 3: Cross multiply
    18,198.06x = 27,291.60 × 7,101.75
  4. Step 4: Simplify right side
    18,198.06x = 193,818,120.30
  5. Step 5: Solve for x
    x = 193,818,120.30/18,198.06
  6. Step 6: Final answer
    x = 10,650.48

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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.