Home / 13,227.96-18,255.41-8,743.94

Finding the Fourth Proportional to 13,227.96, 18,255.41 and 8,743.94

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Solution

The fourth proportional to 13,227.96, 18,255.41 and 8,743.94 is: 12,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.96 : 18,255.41 = 8,743.94 : x
  2. Step 2: Convert to fraction form
    13,227.96/18,255.41 = 8,743.94/x
  3. Step 3: Cross multiply
    13,227.96x = 18,255.41 × 8,743.94
  4. Step 4: Simplify right side
    13,227.96x = 159,624,074.72
  5. Step 5: Solve for x
    x = 159,624,074.72/13,227.96
  6. Step 6: Final answer
    x = 12,067.17

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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.