Home / 18,276.10-27,414.15-7,179.10

Finding the Fourth Proportional to 18,276.10, 27,414.15 and 7,179.10

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Solution

The fourth proportional to 18,276.10, 27,414.15 and 7,179.10 is: 10,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.10 : 27,414.15 = 7,179.10 : x
  2. Step 2: Convert to fraction form
    18,276.10/27,414.15 = 7,179.10/x
  3. Step 3: Cross multiply
    18,276.10x = 27,414.15 × 7,179.10
  4. Step 4: Simplify right side
    18,276.10x = 196,808,924.27
  5. Step 5: Solve for x
    x = 196,808,924.27/18,276.10
  6. Step 6: Final answer
    x = 10,768.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.