Home / 13,908.38-20,838.26-11,583.36

Finding the Fourth Proportional to 13,908.38, 20,838.26 and 11,583.36

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Solution

The fourth proportional to 13,908.38, 20,838.26 and 11,583.36 is: 17,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.38 : 20,838.26 = 11,583.36 : x
  2. Step 2: Convert to fraction form
    13,908.38/20,838.26 = 11,583.36/x
  3. Step 3: Cross multiply
    13,908.38x = 20,838.26 × 11,583.36
  4. Step 4: Simplify right side
    13,908.38x = 241,377,067.35
  5. Step 5: Solve for x
    x = 241,377,067.35/13,908.38
  6. Step 6: Final answer
    x = 17,354.79

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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.