Home / 14,169.43-21,224.96-8,311.91

Finding the Fourth Proportional to 14,169.43, 21,224.96 and 8,311.91

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Solution

The fourth proportional to 14,169.43, 21,224.96 and 8,311.91 is: 12,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.43 : 21,224.96 = 8,311.91 : x
  2. Step 2: Convert to fraction form
    14,169.43/21,224.96 = 8,311.91/x
  3. Step 3: Cross multiply
    14,169.43x = 21,224.96 × 8,311.91
  4. Step 4: Simplify right side
    14,169.43x = 176,419,915.71
  5. Step 5: Solve for x
    x = 176,419,915.71/14,169.43
  6. Step 6: Final answer
    x = 12,450.75

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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.