Home / 11,899.55-17,847.97-3,135.15

Finding the Fourth Proportional to 11,899.55, 17,847.97 and 3,135.15

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Solution

The fourth proportional to 11,899.55, 17,847.97 and 3,135.15 is: 4,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.55 : 17,847.97 = 3,135.15 : x
  2. Step 2: Convert to fraction form
    11,899.55/17,847.97 = 3,135.15/x
  3. Step 3: Cross multiply
    11,899.55x = 17,847.97 × 3,135.15
  4. Step 4: Simplify right side
    11,899.55x = 55,956,063.15
  5. Step 5: Solve for x
    x = 55,956,063.15/11,899.55
  6. Step 6: Final answer
    x = 4,702.37

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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.