Home / 13,734.12-20,605.05-3,873.48

Finding the Fourth Proportional to 13,734.12, 20,605.05 and 3,873.48

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Solution

The fourth proportional to 13,734.12, 20,605.05 and 3,873.48 is: 5,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.12 : 20,605.05 = 3,873.48 : x
  2. Step 2: Convert to fraction form
    13,734.12/20,605.05 = 3,873.48/x
  3. Step 3: Cross multiply
    13,734.12x = 20,605.05 × 3,873.48
  4. Step 4: Simplify right side
    13,734.12x = 79,813,249.07
  5. Step 5: Solve for x
    x = 79,813,249.07/13,734.12
  6. Step 6: Final answer
    x = 5,811.31

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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.