Home / 11,121.76-16,680.21-3,727.27

Finding the Fourth Proportional to 11,121.76, 16,680.21 and 3,727.27

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Solution

The fourth proportional to 11,121.76, 16,680.21 and 3,727.27 is: 5,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.76 : 16,680.21 = 3,727.27 : x
  2. Step 2: Convert to fraction form
    11,121.76/16,680.21 = 3,727.27/x
  3. Step 3: Cross multiply
    11,121.76x = 16,680.21 × 3,727.27
  4. Step 4: Simplify right side
    11,121.76x = 62,171,646.33
  5. Step 5: Solve for x
    x = 62,171,646.33/11,121.76
  6. Step 6: Final answer
    x = 5,590.09

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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.