Home / 11,479.70-17,219.50-4,084.43

Finding the Fourth Proportional to 11,479.70, 17,219.50 and 4,084.43

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Solution

The fourth proportional to 11,479.70, 17,219.50 and 4,084.43 is: 6,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.70 : 17,219.50 = 4,084.43 : x
  2. Step 2: Convert to fraction form
    11,479.70/17,219.50 = 4,084.43/x
  3. Step 3: Cross multiply
    11,479.70x = 17,219.50 × 4,084.43
  4. Step 4: Simplify right side
    11,479.70x = 70,331,821.96
  5. Step 5: Solve for x
    x = 70,331,821.96/11,479.70
  6. Step 6: Final answer
    x = 6,126.63

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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.