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Finding the Fourth Proportional to 12,396.08, 18,595.08 and 3,162

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Solution

The fourth proportional to 12,396.08, 18,595.08 and 3,162 is: 4,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.08 : 18,595.08 = 3,162 : x
  2. Step 2: Convert to fraction form
    12,396.08/18,595.08 = 3,162/x
  3. Step 3: Cross multiply
    12,396.08x = 18,595.08 × 3,162
  4. Step 4: Simplify right side
    12,396.08x = 58,797,642.96
  5. Step 5: Solve for x
    x = 58,797,642.96/12,396.08
  6. Step 6: Final answer
    x = 4,743.24

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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.