Home / 20,119.44-27,764.42-11,167.04

Finding the Fourth Proportional to 20,119.44, 27,764.42 and 11,167.04

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Solution

The fourth proportional to 20,119.44, 27,764.42 and 11,167.04 is: 15,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.44 : 27,764.42 = 11,167.04 : x
  2. Step 2: Convert to fraction form
    20,119.44/27,764.42 = 11,167.04/x
  3. Step 3: Cross multiply
    20,119.44x = 27,764.42 × 11,167.04
  4. Step 4: Simplify right side
    20,119.44x = 310,046,388.72
  5. Step 5: Solve for x
    x = 310,046,388.72/20,119.44
  6. Step 6: Final answer
    x = 15,410.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.