Home / 11,819.94-17,730.36-4,423.62

Finding the Fourth Proportional to 11,819.94, 17,730.36 and 4,423.62

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Solution

The fourth proportional to 11,819.94, 17,730.36 and 4,423.62 is: 6,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.94 : 17,730.36 = 4,423.62 : x
  2. Step 2: Convert to fraction form
    11,819.94/17,730.36 = 4,423.62/x
  3. Step 3: Cross multiply
    11,819.94x = 17,730.36 × 4,423.62
  4. Step 4: Simplify right side
    11,819.94x = 78,432,375.10
  5. Step 5: Solve for x
    x = 78,432,375.10/11,819.94
  6. Step 6: Final answer
    x = 6,635.60

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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.