Home / 20,183.40-30,279.96-6,332.40

Finding the Fourth Proportional to 20,183.40, 30,279.96 and 6,332.40

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Solution

The fourth proportional to 20,183.40, 30,279.96 and 6,332.40 is: 9,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.40 : 30,279.96 = 6,332.40 : x
  2. Step 2: Convert to fraction form
    20,183.40/30,279.96 = 6,332.40/x
  3. Step 3: Cross multiply
    20,183.40x = 30,279.96 × 6,332.40
  4. Step 4: Simplify right side
    20,183.40x = 191,744,818.70
  5. Step 5: Solve for x
    x = 191,744,818.70/20,183.40
  6. Step 6: Final answer
    x = 9,500.12

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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.