Home / 10,966.75-16,450.43-3,571.65

Finding the Fourth Proportional to 10,966.75, 16,450.43 and 3,571.65

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Solution

The fourth proportional to 10,966.75, 16,450.43 and 3,571.65 is: 5,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.75 : 16,450.43 = 3,571.65 : x
  2. Step 2: Convert to fraction form
    10,966.75/16,450.43 = 3,571.65/x
  3. Step 3: Cross multiply
    10,966.75x = 16,450.43 × 3,571.65
  4. Step 4: Simplify right side
    10,966.75x = 58,755,160.45
  5. Step 5: Solve for x
    x = 58,755,160.45/10,966.75
  6. Step 6: Final answer
    x = 5,357.57

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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.