Home / 10,806.37-16,211.85-3,412.96

Finding the Fourth Proportional to 10,806.37, 16,211.85 and 3,412.96

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Solution

The fourth proportional to 10,806.37, 16,211.85 and 3,412.96 is: 5,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.37 : 16,211.85 = 3,412.96 : x
  2. Step 2: Convert to fraction form
    10,806.37/16,211.85 = 3,412.96/x
  3. Step 3: Cross multiply
    10,806.37x = 16,211.85 × 3,412.96
  4. Step 4: Simplify right side
    10,806.37x = 55,330,297.45
  5. Step 5: Solve for x
    x = 55,330,297.45/10,806.37
  6. Step 6: Final answer
    x = 5,120.16

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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.