Home / 20,171.28-27,837.27-11,673.80

Finding the Fourth Proportional to 20,171.28, 27,837.27 and 11,673.80

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Solution

The fourth proportional to 20,171.28, 27,837.27 and 11,673.80 is: 16,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.28 : 27,837.27 = 11,673.80 : x
  2. Step 2: Convert to fraction form
    20,171.28/27,837.27 = 11,673.80/x
  3. Step 3: Cross multiply
    20,171.28x = 27,837.27 × 11,673.80
  4. Step 4: Simplify right side
    20,171.28x = 324,966,722.53
  5. Step 5: Solve for x
    x = 324,966,722.53/20,171.28
  6. Step 6: Final answer
    x = 16,110.37

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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.