Home / 14,169.38-21,224.89-8,311.86

Finding the Fourth Proportional to 14,169.38, 21,224.89 and 8,311.86

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Solution

The fourth proportional to 14,169.38, 21,224.89 and 8,311.86 is: 12,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.38 : 21,224.89 = 8,311.86 : x
  2. Step 2: Convert to fraction form
    14,169.38/21,224.89 = 8,311.86/x
  3. Step 3: Cross multiply
    14,169.38x = 21,224.89 × 8,311.86
  4. Step 4: Simplify right side
    14,169.38x = 176,418,314.20
  5. Step 5: Solve for x
    x = 176,418,314.20/14,169.38
  6. Step 6: Final answer
    x = 12,450.68

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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.