Home / 13,823.58-20,747.67-5,519.96

Finding the Fourth Proportional to 13,823.58, 20,747.67 and 5,519.96

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Solution

The fourth proportional to 13,823.58, 20,747.67 and 5,519.96 is: 8,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.58 : 20,747.67 = 5,519.96 : x
  2. Step 2: Convert to fraction form
    13,823.58/20,747.67 = 5,519.96/x
  3. Step 3: Cross multiply
    13,823.58x = 20,747.67 × 5,519.96
  4. Step 4: Simplify right side
    13,823.58x = 114,526,308.49
  5. Step 5: Solve for x
    x = 114,526,308.49/13,823.58
  6. Step 6: Final answer
    x = 8,284.85

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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.