Home / 11,222.62-16,834.17-5,372.80

Finding the Fourth Proportional to 11,222.62, 16,834.17 and 5,372.80

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Solution

The fourth proportional to 11,222.62, 16,834.17 and 5,372.80 is: 8,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.62 : 16,834.17 = 5,372.80 : x
  2. Step 2: Convert to fraction form
    11,222.62/16,834.17 = 5,372.80/x
  3. Step 3: Cross multiply
    11,222.62x = 16,834.17 × 5,372.80
  4. Step 4: Simplify right side
    11,222.62x = 90,446,628.58
  5. Step 5: Solve for x
    x = 90,446,628.58/11,222.62
  6. Step 6: Final answer
    x = 8,059.31

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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.