Home / 18,815.80-28,223.42-4,584.44

Finding the Fourth Proportional to 18,815.80, 28,223.42 and 4,584.44

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Solution

The fourth proportional to 18,815.80, 28,223.42 and 4,584.44 is: 6,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.80 : 28,223.42 = 4,584.44 : x
  2. Step 2: Convert to fraction form
    18,815.80/28,223.42 = 4,584.44/x
  3. Step 3: Cross multiply
    18,815.80x = 28,223.42 × 4,584.44
  4. Step 4: Simplify right side
    18,815.80x = 129,388,575.58
  5. Step 5: Solve for x
    x = 129,388,575.58/18,815.80
  6. Step 6: Final answer
    x = 6,876.59

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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.