Home / 11,722.96-17,580.84-3,929.96

Finding the Fourth Proportional to 11,722.96, 17,580.84 and 3,929.96

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Solution

The fourth proportional to 11,722.96, 17,580.84 and 3,929.96 is: 5,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.96 : 17,580.84 = 3,929.96 : x
  2. Step 2: Convert to fraction form
    11,722.96/17,580.84 = 3,929.96/x
  3. Step 3: Cross multiply
    11,722.96x = 17,580.84 × 3,929.96
  4. Step 4: Simplify right side
    11,722.96x = 69,091,997.97
  5. Step 5: Solve for x
    x = 69,091,997.97/11,722.96
  6. Step 6: Final answer
    x = 5,893.73

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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.