Home / 11,179.72-16,771.62-3,683.70

Finding the Fourth Proportional to 11,179.72, 16,771.62 and 3,683.70

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Solution

The fourth proportional to 11,179.72, 16,771.62 and 3,683.70 is: 5,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.72 : 16,771.62 = 3,683.70 : x
  2. Step 2: Convert to fraction form
    11,179.72/16,771.62 = 3,683.70/x
  3. Step 3: Cross multiply
    11,179.72x = 16,771.62 × 3,683.70
  4. Step 4: Simplify right side
    11,179.72x = 61,781,616.59
  5. Step 5: Solve for x
    x = 61,781,616.59/11,179.72
  6. Step 6: Final answer
    x = 5,526.22

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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.