Home / 20,273.04-27,974.88-11,887.92

Finding the Fourth Proportional to 20,273.04, 27,974.88 and 11,887.92

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Solution

The fourth proportional to 20,273.04, 27,974.88 and 11,887.92 is: 16,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.04 : 27,974.88 = 11,887.92 : x
  2. Step 2: Convert to fraction form
    20,273.04/27,974.88 = 11,887.92/x
  3. Step 3: Cross multiply
    20,273.04x = 27,974.88 × 11,887.92
  4. Step 4: Simplify right side
    20,273.04x = 332,563,135.45
  5. Step 5: Solve for x
    x = 332,563,135.45/20,273.04
  6. Step 6: Final answer
    x = 16,404.21

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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.