Home / 20,119.34-27,764.12-11,044.70

Finding the Fourth Proportional to 20,119.34, 27,764.12 and 11,044.70

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Solution

The fourth proportional to 20,119.34, 27,764.12 and 11,044.70 is: 15,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.34 : 27,764.12 = 11,044.70 : x
  2. Step 2: Convert to fraction form
    20,119.34/27,764.12 = 11,044.70/x
  3. Step 3: Cross multiply
    20,119.34x = 27,764.12 × 11,044.70
  4. Step 4: Simplify right side
    20,119.34x = 306,646,237.34
  5. Step 5: Solve for x
    x = 306,646,237.34/20,119.34
  6. Step 6: Final answer
    x = 15,241.37

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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.