Home / 11,334.90-17,002.55-3,939.60

Finding the Fourth Proportional to 11,334.90, 17,002.55 and 3,939.60

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Solution

The fourth proportional to 11,334.90, 17,002.55 and 3,939.60 is: 5,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.90 : 17,002.55 = 3,939.60 : x
  2. Step 2: Convert to fraction form
    11,334.90/17,002.55 = 3,939.60/x
  3. Step 3: Cross multiply
    11,334.90x = 17,002.55 × 3,939.60
  4. Step 4: Simplify right side
    11,334.90x = 66,983,245.98
  5. Step 5: Solve for x
    x = 66,983,245.98/11,334.90
  6. Step 6: Final answer
    x = 5,909.47

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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.