Home / 13,361.80-20,042.52-5,462.68

Finding the Fourth Proportional to 13,361.80, 20,042.52 and 5,462.68

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Solution

The fourth proportional to 13,361.80, 20,042.52 and 5,462.68 is: 8,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.80 : 20,042.52 = 5,462.68 : x
  2. Step 2: Convert to fraction form
    13,361.80/20,042.52 = 5,462.68/x
  3. Step 3: Cross multiply
    13,361.80x = 20,042.52 × 5,462.68
  4. Step 4: Simplify right side
    13,361.80x = 109,485,873.15
  5. Step 5: Solve for x
    x = 109,485,873.15/13,361.80
  6. Step 6: Final answer
    x = 8,193.95

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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.