Home / 11,818.20-17,723.10-5,232.60

Finding the Fourth Proportional to 11,818.20, 17,723.10 and 5,232.60

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Solution

The fourth proportional to 11,818.20, 17,723.10 and 5,232.60 is: 7,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.20 : 17,723.10 = 5,232.60 : x
  2. Step 2: Convert to fraction form
    11,818.20/17,723.10 = 5,232.60/x
  3. Step 3: Cross multiply
    11,818.20x = 17,723.10 × 5,232.60
  4. Step 4: Simplify right side
    11,818.20x = 92,737,893.06
  5. Step 5: Solve for x
    x = 92,737,893.06/11,818.20
  6. Step 6: Final answer
    x = 7,847.04

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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.