Home / 11,513.38-17,273.31-3,722.80

Finding the Fourth Proportional to 11,513.38, 17,273.31 and 3,722.80

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Solution

The fourth proportional to 11,513.38, 17,273.31 and 3,722.80 is: 5,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.38 : 17,273.31 = 3,722.80 : x
  2. Step 2: Convert to fraction form
    11,513.38/17,273.31 = 3,722.80/x
  3. Step 3: Cross multiply
    11,513.38x = 17,273.31 × 3,722.80
  4. Step 4: Simplify right side
    11,513.38x = 64,305,078.47
  5. Step 5: Solve for x
    x = 64,305,078.47/11,513.38
  6. Step 6: Final answer
    x = 5,585.25

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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.