Home / 19,694.44-29,516.14-8,001.28

Finding the Fourth Proportional to 19,694.44, 29,516.14 and 8,001.28

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Solution

The fourth proportional to 19,694.44, 29,516.14 and 8,001.28 is: 11,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.44 : 29,516.14 = 8,001.28 : x
  2. Step 2: Convert to fraction form
    19,694.44/29,516.14 = 8,001.28/x
  3. Step 3: Cross multiply
    19,694.44x = 29,516.14 × 8,001.28
  4. Step 4: Simplify right side
    19,694.44x = 236,166,900.66
  5. Step 5: Solve for x
    x = 236,166,900.66/19,694.44
  6. Step 6: Final answer
    x = 11,991.55

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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.