Home / 13,830.14-20,745.22-3,441.89

Finding the Fourth Proportional to 13,830.14, 20,745.22 and 3,441.89

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Solution

The fourth proportional to 13,830.14, 20,745.22 and 3,441.89 is: 5,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.14 : 20,745.22 = 3,441.89 : x
  2. Step 2: Convert to fraction form
    13,830.14/20,745.22 = 3,441.89/x
  3. Step 3: Cross multiply
    13,830.14x = 20,745.22 × 3,441.89
  4. Step 4: Simplify right side
    13,830.14x = 71,402,765.27
  5. Step 5: Solve for x
    x = 71,402,765.27/13,830.14
  6. Step 6: Final answer
    x = 5,162.84

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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.