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Finding the Fourth Proportional to 11,994.66, 17,958.15 and 6,359.49

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Solution

The fourth proportional to 11,994.66, 17,958.15 and 6,359.49 is: 9,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.66 : 17,958.15 = 6,359.49 : x
  2. Step 2: Convert to fraction form
    11,994.66/17,958.15 = 6,359.49/x
  3. Step 3: Cross multiply
    11,994.66x = 17,958.15 × 6,359.49
  4. Step 4: Simplify right side
    11,994.66x = 114,204,675.34
  5. Step 5: Solve for x
    x = 114,204,675.34/11,994.66
  6. Step 6: Final answer
    x = 9,521.29

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1.5x scale

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.