Home / 20,230.74-27,918.45-11,734.47

Finding the Fourth Proportional to 20,230.74, 27,918.45 and 11,734.47

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Solution

The fourth proportional to 20,230.74, 27,918.45 and 11,734.47 is: 16,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.74 : 27,918.45 = 11,734.47 : x
  2. Step 2: Convert to fraction form
    20,230.74/27,918.45 = 11,734.47/x
  3. Step 3: Cross multiply
    20,230.74x = 27,918.45 × 11,734.47
  4. Step 4: Simplify right side
    20,230.74x = 327,608,213.97
  5. Step 5: Solve for x
    x = 327,608,213.97/20,230.74
  6. Step 6: Final answer
    x = 16,193.59

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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.