Home / 11,439.27-17,161.43-3,648.07

Finding the Fourth Proportional to 11,439.27, 17,161.43 and 3,648.07

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Solution

The fourth proportional to 11,439.27, 17,161.43 and 3,648.07 is: 5,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.27 : 17,161.43 = 3,648.07 : x
  2. Step 2: Convert to fraction form
    11,439.27/17,161.43 = 3,648.07/x
  3. Step 3: Cross multiply
    11,439.27x = 17,161.43 × 3,648.07
  4. Step 4: Simplify right side
    11,439.27x = 62,606,097.94
  5. Step 5: Solve for x
    x = 62,606,097.94/11,439.27
  6. Step 6: Final answer
    x = 5,472.91

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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.