Home / 19,942.86-29,905.15-6,789.88

Finding the Fourth Proportional to 19,942.86, 29,905.15 and 6,789.88

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Solution

The fourth proportional to 19,942.86, 29,905.15 and 6,789.88 is: 10,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.86 : 29,905.15 = 6,789.88 : x
  2. Step 2: Convert to fraction form
    19,942.86/29,905.15 = 6,789.88/x
  3. Step 3: Cross multiply
    19,942.86x = 29,905.15 × 6,789.88
  4. Step 4: Simplify right side
    19,942.86x = 203,052,362.91
  5. Step 5: Solve for x
    x = 203,052,362.91/19,942.86
  6. Step 6: Final answer
    x = 10,181.71

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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.