Home / 20,183.12-27,854.03-11,230.62

Finding the Fourth Proportional to 20,183.12, 27,854.03 and 11,230.62

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Solution

The fourth proportional to 20,183.12, 27,854.03 and 11,230.62 is: 15,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.12 : 27,854.03 = 11,230.62 : x
  2. Step 2: Convert to fraction form
    20,183.12/27,854.03 = 11,230.62/x
  3. Step 3: Cross multiply
    20,183.12x = 27,854.03 × 11,230.62
  4. Step 4: Simplify right side
    20,183.12x = 312,818,121.87
  5. Step 5: Solve for x
    x = 312,818,121.87/20,183.12
  6. Step 6: Final answer
    x = 15,498.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.