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Finding the Fourth Proportional to 11,351.10, 17,063.10 and 8,086.80

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Solution

The fourth proportional to 11,351.10, 17,063.10 and 8,086.80 is: 12,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.10 : 17,063.10 = 8,086.80 : x
  2. Step 2: Convert to fraction form
    11,351.10/17,063.10 = 8,086.80/x
  3. Step 3: Cross multiply
    11,351.10x = 17,063.10 × 8,086.80
  4. Step 4: Simplify right side
    11,351.10x = 137,985,877.08
  5. Step 5: Solve for x
    x = 137,985,877.08/11,351.10
  6. Step 6: Final answer
    x = 12,156.17

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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.