Home / 12,463.68-18,696.56-3,579.04

Finding the Fourth Proportional to 12,463.68, 18,696.56 and 3,579.04

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Solution

The fourth proportional to 12,463.68, 18,696.56 and 3,579.04 is: 5,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.68 : 18,696.56 = 3,579.04 : x
  2. Step 2: Convert to fraction form
    12,463.68/18,696.56 = 3,579.04/x
  3. Step 3: Cross multiply
    12,463.68x = 18,696.56 × 3,579.04
  4. Step 4: Simplify right side
    12,463.68x = 66,915,736.10
  5. Step 5: Solve for x
    x = 66,915,736.10/12,463.68
  6. Step 6: Final answer
    x = 5,368.86

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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.