Home / 20,195.46-27,866.97-11,241.81

Finding the Fourth Proportional to 20,195.46, 27,866.97 and 11,241.81

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Solution

The fourth proportional to 20,195.46, 27,866.97 and 11,241.81 is: 15,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.46 : 27,866.97 = 11,241.81 : x
  2. Step 2: Convert to fraction form
    20,195.46/27,866.97 = 11,241.81/x
  3. Step 3: Cross multiply
    20,195.46x = 27,866.97 × 11,241.81
  4. Step 4: Simplify right side
    20,195.46x = 313,275,182.02
  5. Step 5: Solve for x
    x = 313,275,182.02/20,195.46
  6. Step 6: Final answer
    x = 15,512.16

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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.