Home / 13,768.21-20,652.33-3,379.96

Finding the Fourth Proportional to 13,768.21, 20,652.33 and 3,379.96

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Solution

The fourth proportional to 13,768.21, 20,652.33 and 3,379.96 is: 5,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.21 : 20,652.33 = 3,379.96 : x
  2. Step 2: Convert to fraction form
    13,768.21/20,652.33 = 3,379.96/x
  3. Step 3: Cross multiply
    13,768.21x = 20,652.33 × 3,379.96
  4. Step 4: Simplify right side
    13,768.21x = 69,803,997.68
  5. Step 5: Solve for x
    x = 69,803,997.68/13,768.21
  6. Step 6: Final answer
    x = 5,069.94

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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.