Home / 14,620.82-20,175.97-8,247.23

Finding the Fourth Proportional to 14,620.82, 20,175.97 and 8,247.23

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Solution

The fourth proportional to 14,620.82, 20,175.97 and 8,247.23 is: 11,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.82 : 20,175.97 = 8,247.23 : x
  2. Step 2: Convert to fraction form
    14,620.82/20,175.97 = 8,247.23/x
  3. Step 3: Cross multiply
    14,620.82x = 20,175.97 × 8,247.23
  4. Step 4: Simplify right side
    14,620.82x = 166,395,722.95
  5. Step 5: Solve for x
    x = 166,395,722.95/14,620.82
  6. Step 6: Final answer
    x = 11,380.74

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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.