Home / 13,494.08-20,231.88-6,914.96

Finding the Fourth Proportional to 13,494.08, 20,231.88 and 6,914.96

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Solution

The fourth proportional to 13,494.08, 20,231.88 and 6,914.96 is: 10,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.08 : 20,231.88 = 6,914.96 : x
  2. Step 2: Convert to fraction form
    13,494.08/20,231.88 = 6,914.96/x
  3. Step 3: Cross multiply
    13,494.08x = 20,231.88 × 6,914.96
  4. Step 4: Simplify right side
    13,494.08x = 139,902,640.92
  5. Step 5: Solve for x
    x = 139,902,640.92/13,494.08
  6. Step 6: Final answer
    x = 10,367.71

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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.