Home / 12,109.53-18,164.31-3,346.95

Finding the Fourth Proportional to 12,109.53, 18,164.31 and 3,346.95

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Solution

The fourth proportional to 12,109.53, 18,164.31 and 3,346.95 is: 5,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.53 : 18,164.31 = 3,346.95 : x
  2. Step 2: Convert to fraction form
    12,109.53/18,164.31 = 3,346.95/x
  3. Step 3: Cross multiply
    12,109.53x = 18,164.31 × 3,346.95
  4. Step 4: Simplify right side
    12,109.53x = 60,795,037.35
  5. Step 5: Solve for x
    x = 60,795,037.35/12,109.53
  6. Step 6: Final answer
    x = 5,020.43

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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.