Home / 11,083.38-16,629.63-8,136.87

Finding the Fourth Proportional to 11,083.38, 16,629.63 and 8,136.87

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Solution

The fourth proportional to 11,083.38, 16,629.63 and 8,136.87 is: 12,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.38 : 16,629.63 = 8,136.87 : x
  2. Step 2: Convert to fraction form
    11,083.38/16,629.63 = 8,136.87/x
  3. Step 3: Cross multiply
    11,083.38x = 16,629.63 × 8,136.87
  4. Step 4: Simplify right side
    11,083.38x = 135,313,137.46
  5. Step 5: Solve for x
    x = 135,313,137.46/11,083.38
  6. Step 6: Final answer
    x = 12,208.65

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1.5x scale

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.