Home / 14,181.78-21,267.06-4,819.91

Finding the Fourth Proportional to 14,181.78, 21,267.06 and 4,819.91

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Solution

The fourth proportional to 14,181.78, 21,267.06 and 4,819.91 is: 7,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.78 : 21,267.06 = 4,819.91 : x
  2. Step 2: Convert to fraction form
    14,181.78/21,267.06 = 4,819.91/x
  3. Step 3: Cross multiply
    14,181.78x = 21,267.06 × 4,819.91
  4. Step 4: Simplify right side
    14,181.78x = 102,505,190.75
  5. Step 5: Solve for x
    x = 102,505,190.75/14,181.78
  6. Step 6: Final answer
    x = 7,227.95

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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.