Home / 20,183.23-30,279.45-10,162.96

Finding the Fourth Proportional to 20,183.23, 30,279.45 and 10,162.96

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Solution

The fourth proportional to 20,183.23, 30,279.45 and 10,162.96 is: 15,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.23 : 30,279.45 = 10,162.96 : x
  2. Step 2: Convert to fraction form
    20,183.23/30,279.45 = 10,162.96/x
  3. Step 3: Cross multiply
    20,183.23x = 30,279.45 × 10,162.96
  4. Step 4: Simplify right side
    20,183.23x = 307,728,839.17
  5. Step 5: Solve for x
    x = 307,728,839.17/20,183.23
  6. Step 6: Final answer
    x = 15,246.76

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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.