Home / 12,620.73-18,901.92-12,183.33

Finding the Fourth Proportional to 12,620.73, 18,901.92 and 12,183.33

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Solution

The fourth proportional to 12,620.73, 18,901.92 and 12,183.33 is: 18,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.73 : 18,901.92 = 12,183.33 : x
  2. Step 2: Convert to fraction form
    12,620.73/18,901.92 = 12,183.33/x
  3. Step 3: Cross multiply
    12,620.73x = 18,901.92 × 12,183.33
  4. Step 4: Simplify right side
    12,620.73x = 230,288,328.99
  5. Step 5: Solve for x
    x = 230,288,328.99/12,620.73
  6. Step 6: Final answer
    x = 18,246.83

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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.