Home / 11,512.57-17,268.96-3,721.39

Finding the Fourth Proportional to 11,512.57, 17,268.96 and 3,721.39

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Solution

The fourth proportional to 11,512.57, 17,268.96 and 3,721.39 is: 5,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.57 : 17,268.96 = 3,721.39 : x
  2. Step 2: Convert to fraction form
    11,512.57/17,268.96 = 3,721.39/x
  3. Step 3: Cross multiply
    11,512.57x = 17,268.96 × 3,721.39
  4. Step 4: Simplify right side
    11,512.57x = 64,264,535.05
  5. Step 5: Solve for x
    x = 64,264,535.05/11,512.57
  6. Step 6: Final answer
    x = 5,582.12

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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.