Home / 12,351.62-18,525.54-3,584.72

Finding the Fourth Proportional to 12,351.62, 18,525.54 and 3,584.72

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Solution

The fourth proportional to 12,351.62, 18,525.54 and 3,584.72 is: 5,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.62 : 18,525.54 = 3,584.72 : x
  2. Step 2: Convert to fraction form
    12,351.62/18,525.54 = 3,584.72/x
  3. Step 3: Cross multiply
    12,351.62x = 18,525.54 × 3,584.72
  4. Step 4: Simplify right side
    12,351.62x = 66,408,873.75
  5. Step 5: Solve for x
    x = 66,408,873.75/12,351.62
  6. Step 6: Final answer
    x = 5,376.53

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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.