Home / 11,874.50-17,809.68-3,976.46

Finding the Fourth Proportional to 11,874.50, 17,809.68 and 3,976.46

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Solution

The fourth proportional to 11,874.50, 17,809.68 and 3,976.46 is: 5,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.50 : 17,809.68 = 3,976.46 : x
  2. Step 2: Convert to fraction form
    11,874.50/17,809.68 = 3,976.46/x
  3. Step 3: Cross multiply
    11,874.50x = 17,809.68 × 3,976.46
  4. Step 4: Simplify right side
    11,874.50x = 70,819,480.13
  5. Step 5: Solve for x
    x = 70,819,480.13/11,874.50
  6. Step 6: Final answer
    x = 5,964.00

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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.