Home / 20,359.62-30,544.20-6,318.93

Finding the Fourth Proportional to 20,359.62, 30,544.20 and 6,318.93

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Solution

The fourth proportional to 20,359.62, 30,544.20 and 6,318.93 is: 9,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.62 : 30,544.20 = 6,318.93 : x
  2. Step 2: Convert to fraction form
    20,359.62/30,544.20 = 6,318.93/x
  3. Step 3: Cross multiply
    20,359.62x = 30,544.20 × 6,318.93
  4. Step 4: Simplify right side
    20,359.62x = 193,006,661.71
  5. Step 5: Solve for x
    x = 193,006,661.71/20,359.62
  6. Step 6: Final answer
    x = 9,479.88

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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.