Home / 18,273.20-27,409.92-9,961.52

Finding the Fourth Proportional to 18,273.20, 27,409.92 and 9,961.52

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Solution

The fourth proportional to 18,273.20, 27,409.92 and 9,961.52 is: 14,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.20 : 27,409.92 = 9,961.52 : x
  2. Step 2: Convert to fraction form
    18,273.20/27,409.92 = 9,961.52/x
  3. Step 3: Cross multiply
    18,273.20x = 27,409.92 × 9,961.52
  4. Step 4: Simplify right side
    18,273.20x = 273,044,466.28
  5. Step 5: Solve for x
    x = 273,044,466.28/18,273.20
  6. Step 6: Final answer
    x = 14,942.35

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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.