Home / 13,777.27-20,648.46-6,755.62

Finding the Fourth Proportional to 13,777.27, 20,648.46 and 6,755.62

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Solution

The fourth proportional to 13,777.27, 20,648.46 and 6,755.62 is: 10,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.27 : 20,648.46 = 6,755.62 : x
  2. Step 2: Convert to fraction form
    13,777.27/20,648.46 = 6,755.62/x
  3. Step 3: Cross multiply
    13,777.27x = 20,648.46 × 6,755.62
  4. Step 4: Simplify right side
    13,777.27x = 139,493,149.35
  5. Step 5: Solve for x
    x = 139,493,149.35/13,777.27
  6. Step 6: Final answer
    x = 10,124.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.