Home / 20,747.06-28,630.23-11,794.94

Finding the Fourth Proportional to 20,747.06, 28,630.23 and 11,794.94

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Solution

The fourth proportional to 20,747.06, 28,630.23 and 11,794.94 is: 16,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.06 : 28,630.23 = 11,794.94 : x
  2. Step 2: Convert to fraction form
    20,747.06/28,630.23 = 11,794.94/x
  3. Step 3: Cross multiply
    20,747.06x = 28,630.23 × 11,794.94
  4. Step 4: Simplify right side
    20,747.06x = 337,691,845.04
  5. Step 5: Solve for x
    x = 337,691,845.04/20,747.06
  6. Step 6: Final answer
    x = 16,276.61

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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.