Home / 13,824.84-20,737.25-3,436.59

Finding the Fourth Proportional to 13,824.84, 20,737.25 and 3,436.59

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Solution

The fourth proportional to 13,824.84, 20,737.25 and 3,436.59 is: 5,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.84 : 20,737.25 = 3,436.59 : x
  2. Step 2: Convert to fraction form
    13,824.84/20,737.25 = 3,436.59/x
  3. Step 3: Cross multiply
    13,824.84x = 20,737.25 × 3,436.59
  4. Step 4: Simplify right side
    13,824.84x = 71,265,425.98
  5. Step 5: Solve for x
    x = 71,265,425.98/13,824.84
  6. Step 6: Final answer
    x = 5,154.88

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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.