Home / 18,962.75-28,441.62-5,635.46

Finding the Fourth Proportional to 18,962.75, 28,441.62 and 5,635.46

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Solution

The fourth proportional to 18,962.75, 28,441.62 and 5,635.46 is: 8,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.75 : 28,441.62 = 5,635.46 : x
  2. Step 2: Convert to fraction form
    18,962.75/28,441.62 = 5,635.46/x
  3. Step 3: Cross multiply
    18,962.75x = 28,441.62 × 5,635.46
  4. Step 4: Simplify right side
    18,962.75x = 160,281,469.64
  5. Step 5: Solve for x
    x = 160,281,469.64/18,962.75
  6. Step 6: Final answer
    x = 8,452.44

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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.