Home / 13,734.48-20,599.89-3,874.55

Finding the Fourth Proportional to 13,734.48, 20,599.89 and 3,874.55

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Solution

The fourth proportional to 13,734.48, 20,599.89 and 3,874.55 is: 5,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.48 : 20,599.89 = 3,874.55 : x
  2. Step 2: Convert to fraction form
    13,734.48/20,599.89 = 3,874.55/x
  3. Step 3: Cross multiply
    13,734.48x = 20,599.89 × 3,874.55
  4. Step 4: Simplify right side
    13,734.48x = 79,815,340.77
  5. Step 5: Solve for x
    x = 79,815,340.77/13,734.48
  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.