Home / 20,043.70-27,657.12-11,974.84

Finding the Fourth Proportional to 20,043.70, 27,657.12 and 11,974.84

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Solution

The fourth proportional to 20,043.70, 27,657.12 and 11,974.84 is: 16,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.70 : 27,657.12 = 11,974.84 : x
  2. Step 2: Convert to fraction form
    20,043.70/27,657.12 = 11,974.84/x
  3. Step 3: Cross multiply
    20,043.70x = 27,657.12 × 11,974.84
  4. Step 4: Simplify right side
    20,043.70x = 331,189,586.86
  5. Step 5: Solve for x
    x = 331,189,586.86/20,043.70
  6. Step 6: Final answer
    x = 16,523.38

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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.