Home / 13,446.43-20,169.62-4,086.41

Finding the Fourth Proportional to 13,446.43, 20,169.62 and 4,086.41

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Solution

The fourth proportional to 13,446.43, 20,169.62 and 4,086.41 is: 6,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.43 : 20,169.62 = 4,086.41 : x
  2. Step 2: Convert to fraction form
    13,446.43/20,169.62 = 4,086.41/x
  3. Step 3: Cross multiply
    13,446.43x = 20,169.62 × 4,086.41
  4. Step 4: Simplify right side
    13,446.43x = 82,421,336.86
  5. Step 5: Solve for x
    x = 82,421,336.86/13,446.43
  6. Step 6: Final answer
    x = 6,129.61

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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.