Home / 12,493.85-18,744.03-3,728.77

Finding the Fourth Proportional to 12,493.85, 18,744.03 and 3,728.77

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Solution

The fourth proportional to 12,493.85, 18,744.03 and 3,728.77 is: 5,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.85 : 18,744.03 = 3,728.77 : x
  2. Step 2: Convert to fraction form
    12,493.85/18,744.03 = 3,728.77/x
  3. Step 3: Cross multiply
    12,493.85x = 18,744.03 × 3,728.77
  4. Step 4: Simplify right side
    12,493.85x = 69,892,142.44
  5. Step 5: Solve for x
    x = 69,892,142.44/12,493.85
  6. Step 6: Final answer
    x = 5,594.12

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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.