Home / 14,664.04-20,234.70-8,375.20

Finding the Fourth Proportional to 14,664.04, 20,234.70 and 8,375.20

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Solution

The fourth proportional to 14,664.04, 20,234.70 and 8,375.20 is: 11,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.04 : 20,234.70 = 8,375.20 : x
  2. Step 2: Convert to fraction form
    14,664.04/20,234.70 = 8,375.20/x
  3. Step 3: Cross multiply
    14,664.04x = 20,234.70 × 8,375.20
  4. Step 4: Simplify right side
    14,664.04x = 169,469,659.44
  5. Step 5: Solve for x
    x = 169,469,659.44/14,664.04
  6. Step 6: Final answer
    x = 11,556.82

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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.