Home / 20,194.26-27,852.30-13,122.96

Finding the Fourth Proportional to 20,194.26, 27,852.30 and 13,122.96

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Solution

The fourth proportional to 20,194.26, 27,852.30 and 13,122.96 is: 18,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.26 : 27,852.30 = 13,122.96 : x
  2. Step 2: Convert to fraction form
    20,194.26/27,852.30 = 13,122.96/x
  3. Step 3: Cross multiply
    20,194.26x = 27,852.30 × 13,122.96
  4. Step 4: Simplify right side
    20,194.26x = 365,504,618.81
  5. Step 5: Solve for x
    x = 365,504,618.81/20,194.26
  6. Step 6: Final answer
    x = 18,099.43

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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.