Home / 11,010.29-16,515.43-3,991.23

Finding the Fourth Proportional to 11,010.29, 16,515.43 and 3,991.23

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Solution

The fourth proportional to 11,010.29, 16,515.43 and 3,991.23 is: 5,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.29 : 16,515.43 = 3,991.23 : x
  2. Step 2: Convert to fraction form
    11,010.29/16,515.43 = 3,991.23/x
  3. Step 3: Cross multiply
    11,010.29x = 16,515.43 × 3,991.23
  4. Step 4: Simplify right side
    11,010.29x = 65,916,869.70
  5. Step 5: Solve for x
    x = 65,916,869.70/11,010.29
  6. Step 6: Final answer
    x = 5,986.85

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Similar ratio
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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.