Home / 11,745.23-17,618.99-3,425.06

Finding the Fourth Proportional to 11,745.23, 17,618.99 and 3,425.06

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Solution

The fourth proportional to 11,745.23, 17,618.99 and 3,425.06 is: 5,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.23 : 17,618.99 = 3,425.06 : x
  2. Step 2: Convert to fraction form
    11,745.23/17,618.99 = 3,425.06/x
  3. Step 3: Cross multiply
    11,745.23x = 17,618.99 × 3,425.06
  4. Step 4: Simplify right side
    11,745.23x = 60,345,992.67
  5. Step 5: Solve for x
    x = 60,345,992.67/11,745.23
  6. Step 6: Final answer
    x = 5,137.92

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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.