Home / 11,019.80-16,531.79-3,626.39

Finding the Fourth Proportional to 11,019.80, 16,531.79 and 3,626.39

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Solution

The fourth proportional to 11,019.80, 16,531.79 and 3,626.39 is: 5,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.80 : 16,531.79 = 3,626.39 : x
  2. Step 2: Convert to fraction form
    11,019.80/16,531.79 = 3,626.39/x
  3. Step 3: Cross multiply
    11,019.80x = 16,531.79 × 3,626.39
  4. Step 4: Simplify right side
    11,019.80x = 59,950,717.94
  5. Step 5: Solve for x
    x = 59,950,717.94/11,019.80
  6. Step 6: Final answer
    x = 5,440.27

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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.