Home / 20,197.44-27,871.65-11,244.69

Finding the Fourth Proportional to 20,197.44, 27,871.65 and 11,244.69

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Solution

The fourth proportional to 20,197.44, 27,871.65 and 11,244.69 is: 15,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.44 : 27,871.65 = 11,244.69 : x
  2. Step 2: Convert to fraction form
    20,197.44/27,871.65 = 11,244.69/x
  3. Step 3: Cross multiply
    20,197.44x = 27,871.65 × 11,244.69
  4. Step 4: Simplify right side
    20,197.44x = 313,408,064.04
  5. Step 5: Solve for x
    x = 313,408,064.04/20,197.44
  6. Step 6: Final answer
    x = 15,517.22

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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.