Home / 20,195.29-30,289.29-6,151.96

Finding the Fourth Proportional to 20,195.29, 30,289.29 and 6,151.96

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Solution

The fourth proportional to 20,195.29, 30,289.29 and 6,151.96 is: 9,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.29 : 30,289.29 = 6,151.96 : x
  2. Step 2: Convert to fraction form
    20,195.29/30,289.29 = 6,151.96/x
  3. Step 3: Cross multiply
    20,195.29x = 30,289.29 × 6,151.96
  4. Step 4: Simplify right side
    20,195.29x = 186,338,500.51
  5. Step 5: Solve for x
    x = 186,338,500.51/20,195.29
  6. Step 6: Final answer
    x = 9,226.83

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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.