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Finding the Fourth Proportional to 11,771.22, 17,640.41 and 8,846.10

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Solution

The fourth proportional to 11,771.22, 17,640.41 and 8,846.10 is: 13,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.22 : 17,640.41 = 8,846.10 : x
  2. Step 2: Convert to fraction form
    11,771.22/17,640.41 = 8,846.10/x
  3. Step 3: Cross multiply
    11,771.22x = 17,640.41 × 8,846.10
  4. Step 4: Simplify right side
    11,771.22x = 156,048,830.90
  5. Step 5: Solve for x
    x = 156,048,830.90/11,771.22
  6. Step 6: Final answer
    x = 13,256.81

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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.