Home / 13,599.42-20,398.61-3,738.44

Finding the Fourth Proportional to 13,599.42, 20,398.61 and 3,738.44

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Solution

The fourth proportional to 13,599.42, 20,398.61 and 3,738.44 is: 5,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.42 : 20,398.61 = 3,738.44 : x
  2. Step 2: Convert to fraction form
    13,599.42/20,398.61 = 3,738.44/x
  3. Step 3: Cross multiply
    13,599.42x = 20,398.61 × 3,738.44
  4. Step 4: Simplify right side
    13,599.42x = 76,258,858.88
  5. Step 5: Solve for x
    x = 76,258,858.88/13,599.42
  6. Step 6: Final answer
    x = 5,607.51

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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.