Home / 20,854.91-31,287.26-6,063.39

Finding the Fourth Proportional to 20,854.91, 31,287.26 and 6,063.39

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Solution

The fourth proportional to 20,854.91, 31,287.26 and 6,063.39 is: 9,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.91 : 31,287.26 = 6,063.39 : x
  2. Step 2: Convert to fraction form
    20,854.91/31,287.26 = 6,063.39/x
  3. Step 3: Cross multiply
    20,854.91x = 31,287.26 × 6,063.39
  4. Step 4: Simplify right side
    20,854.91x = 189,706,874.57
  5. Step 5: Solve for x
    x = 189,706,874.57/20,854.91
  6. Step 6: Final answer
    x = 9,096.51

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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.