Home / 11,899.62-17,847.99-3,135.20

Finding the Fourth Proportional to 11,899.62, 17,847.99 and 3,135.20

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Solution

The fourth proportional to 11,899.62, 17,847.99 and 3,135.20 is: 4,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.62 : 17,847.99 = 3,135.20 : x
  2. Step 2: Convert to fraction form
    11,899.62/17,847.99 = 3,135.20/x
  3. Step 3: Cross multiply
    11,899.62x = 17,847.99 × 3,135.20
  4. Step 4: Simplify right side
    11,899.62x = 55,956,929.01
  5. Step 5: Solve for x
    x = 55,956,929.01/11,899.62
  6. Step 6: Final answer
    x = 4,702.41

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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.