Home / 14,620.76-20,175.60-8,247.56

Finding the Fourth Proportional to 14,620.76, 20,175.60 and 8,247.56

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Solution

The fourth proportional to 14,620.76, 20,175.60 and 8,247.56 is: 11,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.76 : 20,175.60 = 8,247.56 : x
  2. Step 2: Convert to fraction form
    14,620.76/20,175.60 = 8,247.56/x
  3. Step 3: Cross multiply
    14,620.76x = 20,175.60 × 8,247.56
  4. Step 4: Simplify right side
    14,620.76x = 166,399,471.54
  5. Step 5: Solve for x
    x = 166,399,471.54/14,620.76
  6. Step 6: Final answer
    x = 11,381.04

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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.