Home / 11,930.85-17,896.98-3,165.74

Finding the Fourth Proportional to 11,930.85, 17,896.98 and 3,165.74

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Solution

The fourth proportional to 11,930.85, 17,896.98 and 3,165.74 is: 4,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.85 : 17,896.98 = 3,165.74 : x
  2. Step 2: Convert to fraction form
    11,930.85/17,896.98 = 3,165.74/x
  3. Step 3: Cross multiply
    11,930.85x = 17,896.98 × 3,165.74
  4. Step 4: Simplify right side
    11,930.85x = 56,657,174.97
  5. Step 5: Solve for x
    x = 56,657,174.97/11,930.85
  6. Step 6: Final answer
    x = 4,748.80

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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.