Home / 11,078.73-16,620.83-3,287.54

Finding the Fourth Proportional to 11,078.73, 16,620.83 and 3,287.54

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Solution

The fourth proportional to 11,078.73, 16,620.83 and 3,287.54 is: 4,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.73 : 16,620.83 = 3,287.54 : x
  2. Step 2: Convert to fraction form
    11,078.73/16,620.83 = 3,287.54/x
  3. Step 3: Cross multiply
    11,078.73x = 16,620.83 × 3,287.54
  4. Step 4: Simplify right side
    11,078.73x = 54,641,543.92
  5. Step 5: Solve for x
    x = 54,641,543.92/11,078.73
  6. Step 6: Final answer
    x = 4,932.11

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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.