Home / 11,721.24-17,579.43-3,399.44

Finding the Fourth Proportional to 11,721.24, 17,579.43 and 3,399.44

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Solution

The fourth proportional to 11,721.24, 17,579.43 and 3,399.44 is: 5,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.24 : 17,579.43 = 3,399.44 : x
  2. Step 2: Convert to fraction form
    11,721.24/17,579.43 = 3,399.44/x
  3. Step 3: Cross multiply
    11,721.24x = 17,579.43 × 3,399.44
  4. Step 4: Simplify right side
    11,721.24x = 59,760,129.62
  5. Step 5: Solve for x
    x = 59,760,129.62/11,721.24
  6. Step 6: Final answer
    x = 5,098.45

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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.