Home / 12,558.40-18,839.49-3,794.02

Finding the Fourth Proportional to 12,558.40, 18,839.49 and 3,794.02

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Solution

The fourth proportional to 12,558.40, 18,839.49 and 3,794.02 is: 5,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.40 : 18,839.49 = 3,794.02 : x
  2. Step 2: Convert to fraction form
    12,558.40/18,839.49 = 3,794.02/x
  3. Step 3: Cross multiply
    12,558.40x = 18,839.49 × 3,794.02
  4. Step 4: Simplify right side
    12,558.40x = 71,477,401.85
  5. Step 5: Solve for x
    x = 71,477,401.85/12,558.40
  6. Step 6: Final answer
    x = 5,691.60

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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.