Home / 11,339.38-17,012.31-4,418.74

Finding the Fourth Proportional to 11,339.38, 17,012.31 and 4,418.74

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Solution

The fourth proportional to 11,339.38, 17,012.31 and 4,418.74 is: 6,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.38 : 17,012.31 = 4,418.74 : x
  2. Step 2: Convert to fraction form
    11,339.38/17,012.31 = 4,418.74/x
  3. Step 3: Cross multiply
    11,339.38x = 17,012.31 × 4,418.74
  4. Step 4: Simplify right side
    11,339.38x = 75,172,974.69
  5. Step 5: Solve for x
    x = 75,172,974.69/11,339.38
  6. Step 6: Final answer
    x = 6,629.37

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1.5x scale

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.