Home / 11,949.99-17,929.41-4,930.62

Finding the Fourth Proportional to 11,949.99, 17,929.41 and 4,930.62

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Solution

The fourth proportional to 11,949.99, 17,929.41 and 4,930.62 is: 7,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.99 : 17,929.41 = 4,930.62 : x
  2. Step 2: Convert to fraction form
    11,949.99/17,929.41 = 4,930.62/x
  3. Step 3: Cross multiply
    11,949.99x = 17,929.41 × 4,930.62
  4. Step 4: Simplify right side
    11,949.99x = 88,403,037.13
  5. Step 5: Solve for x
    x = 88,403,037.13/11,949.99
  6. Step 6: Final answer
    x = 7,397.75

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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.