Home / 19,949.28-29,906.64-11,724

Finding the Fourth Proportional to 19,949.28, 29,906.64 and 11,724

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Solution

The fourth proportional to 19,949.28, 29,906.64 and 11,724 is: 17,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.28 : 29,906.64 = 11,724 : x
  2. Step 2: Convert to fraction form
    19,949.28/29,906.64 = 11,724/x
  3. Step 3: Cross multiply
    19,949.28x = 29,906.64 × 11,724
  4. Step 4: Simplify right side
    19,949.28x = 350,625,447.36
  5. Step 5: Solve for x
    x = 350,625,447.36/19,949.28
  6. Step 6: Final answer
    x = 17,575.84

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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.