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Finding the Fourth Proportional to 11,846.10, 17,755.44 and 9,520.58

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Solution

The fourth proportional to 11,846.10, 17,755.44 and 9,520.58 is: 14,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.10 : 17,755.44 = 9,520.58 : x
  2. Step 2: Convert to fraction form
    11,846.10/17,755.44 = 9,520.58/x
  3. Step 3: Cross multiply
    11,846.10x = 17,755.44 × 9,520.58
  4. Step 4: Simplify right side
    11,846.10x = 169,042,086.96
  5. Step 5: Solve for x
    x = 169,042,086.96/11,846.10
  6. Step 6: Final answer
    x = 14,269.85

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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.