Home / 13,830.08-20,745.12-3,441.83

Finding the Fourth Proportional to 13,830.08, 20,745.12 and 3,441.83

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Solution

The fourth proportional to 13,830.08, 20,745.12 and 3,441.83 is: 5,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.08 : 20,745.12 = 3,441.83 : x
  2. Step 2: Convert to fraction form
    13,830.08/20,745.12 = 3,441.83/x
  3. Step 3: Cross multiply
    13,830.08x = 20,745.12 × 3,441.83
  4. Step 4: Simplify right side
    13,830.08x = 71,401,072.64
  5. Step 5: Solve for x
    x = 71,401,072.64/13,830.08
  6. Step 6: Final answer
    x = 5,162.74

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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.