Home / 11,121.12-16,678.97-3,723.66

Finding the Fourth Proportional to 11,121.12, 16,678.97 and 3,723.66

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Solution

The fourth proportional to 11,121.12, 16,678.97 and 3,723.66 is: 5,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.12 : 16,678.97 = 3,723.66 : x
  2. Step 2: Convert to fraction form
    11,121.12/16,678.97 = 3,723.66/x
  3. Step 3: Cross multiply
    11,121.12x = 16,678.97 × 3,723.66
  4. Step 4: Simplify right side
    11,121.12x = 62,106,794.81
  5. Step 5: Solve for x
    x = 62,106,794.81/11,121.12
  6. Step 6: Final answer
    x = 5,584.58

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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.