Home / 13,982.83-20,974.96-5,097.95

Finding the Fourth Proportional to 13,982.83, 20,974.96 and 5,097.95

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Solution

The fourth proportional to 13,982.83, 20,974.96 and 5,097.95 is: 7,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.83 : 20,974.96 = 5,097.95 : x
  2. Step 2: Convert to fraction form
    13,982.83/20,974.96 = 5,097.95/x
  3. Step 3: Cross multiply
    13,982.83x = 20,974.96 × 5,097.95
  4. Step 4: Simplify right side
    13,982.83x = 106,929,314.15
  5. Step 5: Solve for x
    x = 106,929,314.15/13,982.83
  6. Step 6: Final answer
    x = 7,647.19

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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.