Home / 20,359.62-30,544.20-6,318.96

Finding the Fourth Proportional to 20,359.62, 30,544.20 and 6,318.96

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Solution

The fourth proportional to 20,359.62, 30,544.20 and 6,318.96 is: 9,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.62 : 30,544.20 = 6,318.96 : x
  2. Step 2: Convert to fraction form
    20,359.62/30,544.20 = 6,318.96/x
  3. Step 3: Cross multiply
    20,359.62x = 30,544.20 × 6,318.96
  4. Step 4: Simplify right side
    20,359.62x = 193,007,578.03
  5. Step 5: Solve for x
    x = 193,007,578.03/20,359.62
  6. Step 6: Final answer
    x = 9,479.92

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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.