Home / 20,723.33-31,097.04-8,714.61

Finding the Fourth Proportional to 20,723.33, 31,097.04 and 8,714.61

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Solution

The fourth proportional to 20,723.33, 31,097.04 and 8,714.61 is: 13,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.33 : 31,097.04 = 8,714.61 : x
  2. Step 2: Convert to fraction form
    20,723.33/31,097.04 = 8,714.61/x
  3. Step 3: Cross multiply
    20,723.33x = 31,097.04 × 8,714.61
  4. Step 4: Simplify right side
    20,723.33x = 270,998,575.75
  5. Step 5: Solve for x
    x = 270,998,575.75/20,723.33
  6. Step 6: Final answer
    x = 13,076.98

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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.