Home / 11,771.34-17,657.10-4,375.79

Finding the Fourth Proportional to 11,771.34, 17,657.10 and 4,375.79

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Solution

The fourth proportional to 11,771.34, 17,657.10 and 4,375.79 is: 6,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.34 : 17,657.10 = 4,375.79 : x
  2. Step 2: Convert to fraction form
    11,771.34/17,657.10 = 4,375.79/x
  3. Step 3: Cross multiply
    11,771.34x = 17,657.10 × 4,375.79
  4. Step 4: Simplify right side
    11,771.34x = 77,263,761.61
  5. Step 5: Solve for x
    x = 77,263,761.61/11,771.34
  6. Step 6: Final answer
    x = 6,563.72

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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.