Home / 19,939.68-29,904.48-6,791.52

Finding the Fourth Proportional to 19,939.68, 29,904.48 and 6,791.52

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Solution

The fourth proportional to 19,939.68, 29,904.48 and 6,791.52 is: 10,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.68 : 29,904.48 = 6,791.52 : x
  2. Step 2: Convert to fraction form
    19,939.68/29,904.48 = 6,791.52/x
  3. Step 3: Cross multiply
    19,939.68x = 29,904.48 × 6,791.52
  4. Step 4: Simplify right side
    19,939.68x = 203,096,874.01
  5. Step 5: Solve for x
    x = 203,096,874.01/19,939.68
  6. Step 6: Final answer
    x = 10,185.56

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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.