Home / 20,197.21-27,883.09-14,165.97

Finding the Fourth Proportional to 20,197.21, 27,883.09 and 14,165.97

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Solution

The fourth proportional to 20,197.21, 27,883.09 and 14,165.97 is: 19,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.21 : 27,883.09 = 14,165.97 : x
  2. Step 2: Convert to fraction form
    20,197.21/27,883.09 = 14,165.97/x
  3. Step 3: Cross multiply
    20,197.21x = 27,883.09 × 14,165.97
  4. Step 4: Simplify right side
    20,197.21x = 394,991,016.45
  5. Step 5: Solve for x
    x = 394,991,016.45/20,197.21
  6. Step 6: Final answer
    x = 19,556.71

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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.