Home / 12,194.80-18,330.60-11,273.20

Finding the Fourth Proportional to 12,194.80, 18,330.60 and 11,273.20

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Solution

The fourth proportional to 12,194.80, 18,330.60 and 11,273.20 is: 16,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.80 : 18,330.60 = 11,273.20 : x
  2. Step 2: Convert to fraction form
    12,194.80/18,330.60 = 11,273.20/x
  3. Step 3: Cross multiply
    12,194.80x = 18,330.60 × 11,273.20
  4. Step 4: Simplify right side
    12,194.80x = 206,644,519.92
  5. Step 5: Solve for x
    x = 206,644,519.92/12,194.80
  6. Step 6: Final answer
    x = 16,945.30

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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.