Home / 13,727.92-18,949.36-8,350.44

Finding the Fourth Proportional to 13,727.92, 18,949.36 and 8,350.44

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Solution

The fourth proportional to 13,727.92, 18,949.36 and 8,350.44 is: 11,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.92 : 18,949.36 = 8,350.44 : x
  2. Step 2: Convert to fraction form
    13,727.92/18,949.36 = 8,350.44/x
  3. Step 3: Cross multiply
    13,727.92x = 18,949.36 × 8,350.44
  4. Step 4: Simplify right side
    13,727.92x = 158,235,493.72
  5. Step 5: Solve for x
    x = 158,235,493.72/13,727.92
  6. Step 6: Final answer
    x = 11,526.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.