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Finding the Fourth Proportional to 11,894.70, 17,820.03 and 5,964.66

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Solution

The fourth proportional to 11,894.70, 17,820.03 and 5,964.66 is: 8,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.70 : 17,820.03 = 5,964.66 : x
  2. Step 2: Convert to fraction form
    11,894.70/17,820.03 = 5,964.66/x
  3. Step 3: Cross multiply
    11,894.70x = 17,820.03 × 5,964.66
  4. Step 4: Simplify right side
    11,894.70x = 106,290,442.30
  5. Step 5: Solve for x
    x = 106,290,442.30/11,894.70
  6. Step 6: Final answer
    x = 8,935.95

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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.