Home / 11,980.50-17,949.48-6,427.95

Finding the Fourth Proportional to 11,980.50, 17,949.48 and 6,427.95

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Solution

The fourth proportional to 11,980.50, 17,949.48 and 6,427.95 is: 9,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.50 : 17,949.48 = 6,427.95 : x
  2. Step 2: Convert to fraction form
    11,980.50/17,949.48 = 6,427.95/x
  3. Step 3: Cross multiply
    11,980.50x = 17,949.48 × 6,427.95
  4. Step 4: Simplify right side
    11,980.50x = 115,378,359.97
  5. Step 5: Solve for x
    x = 115,378,359.97/11,980.50
  6. Step 6: Final answer
    x = 9,630.51

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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.