Home / 12,132.38-18,189.26-10,896.02

Finding the Fourth Proportional to 12,132.38, 18,189.26 and 10,896.02

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Solution

The fourth proportional to 12,132.38, 18,189.26 and 10,896.02 is: 16,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.38 : 18,189.26 = 10,896.02 : x
  2. Step 2: Convert to fraction form
    12,132.38/18,189.26 = 10,896.02/x
  3. Step 3: Cross multiply
    12,132.38x = 18,189.26 × 10,896.02
  4. Step 4: Simplify right side
    12,132.38x = 198,190,504.39
  5. Step 5: Solve for x
    x = 198,190,504.39/12,132.38
  6. Step 6: Final answer
    x = 16,335.66

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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.