Home / 11,121.85-16,683.66-3,224.49

Finding the Fourth Proportional to 11,121.85, 16,683.66 and 3,224.49

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Solution

The fourth proportional to 11,121.85, 16,683.66 and 3,224.49 is: 4,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.85 : 16,683.66 = 3,224.49 : x
  2. Step 2: Convert to fraction form
    11,121.85/16,683.66 = 3,224.49/x
  3. Step 3: Cross multiply
    11,121.85x = 16,683.66 × 3,224.49
  4. Step 4: Simplify right side
    11,121.85x = 53,796,294.83
  5. Step 5: Solve for x
    x = 53,796,294.83/11,121.85
  6. Step 6: Final answer
    x = 4,836.99

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Double scale
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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.