Home / 10,245.82-15,369.44-3,488.68

Finding the Fourth Proportional to 10,245.82, 15,369.44 and 3,488.68

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Solution

The fourth proportional to 10,245.82, 15,369.44 and 3,488.68 is: 5,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.82 : 15,369.44 = 3,488.68 : x
  2. Step 2: Convert to fraction form
    10,245.82/15,369.44 = 3,488.68/x
  3. Step 3: Cross multiply
    10,245.82x = 15,369.44 × 3,488.68
  4. Step 4: Simplify right side
    10,245.82x = 53,619,057.94
  5. Step 5: Solve for x
    x = 53,619,057.94/10,245.82
  6. Step 6: Final answer
    x = 5,233.26

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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.