Home / 12,975.15-19,452.91-5,481.03

Finding the Fourth Proportional to 12,975.15, 19,452.91 and 5,481.03

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Solution

The fourth proportional to 12,975.15, 19,452.91 and 5,481.03 is: 8,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.15 : 19,452.91 = 5,481.03 : x
  2. Step 2: Convert to fraction form
    12,975.15/19,452.91 = 5,481.03/x
  3. Step 3: Cross multiply
    12,975.15x = 19,452.91 × 5,481.03
  4. Step 4: Simplify right side
    12,975.15x = 106,621,886.03
  5. Step 5: Solve for x
    x = 106,621,886.03/12,975.15
  6. Step 6: Final answer
    x = 8,217.39

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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.