Home / 11,771.71-17,655.99-4,375.16

Finding the Fourth Proportional to 11,771.71, 17,655.99 and 4,375.16

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Solution

The fourth proportional to 11,771.71, 17,655.99 and 4,375.16 is: 6,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.71 : 17,655.99 = 4,375.16 : x
  2. Step 2: Convert to fraction form
    11,771.71/17,655.99 = 4,375.16/x
  3. Step 3: Cross multiply
    11,771.71x = 17,655.99 × 4,375.16
  4. Step 4: Simplify right side
    11,771.71x = 77,247,825.35
  5. Step 5: Solve for x
    x = 77,247,825.35/11,771.71
  6. Step 6: Final answer
    x = 6,562.16

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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.