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Finding the Fourth Proportional to 18,254.74, 27,382.11 and 7,166.65

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Solution

The fourth proportional to 18,254.74, 27,382.11 and 7,166.65 is: 10,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.74 : 27,382.11 = 7,166.65 : x
  2. Step 2: Convert to fraction form
    18,254.74/27,382.11 = 7,166.65/x
  3. Step 3: Cross multiply
    18,254.74x = 27,382.11 × 7,166.65
  4. Step 4: Simplify right side
    18,254.74x = 196,237,998.63
  5. Step 5: Solve for x
    x = 196,237,998.63/18,254.74
  6. Step 6: Final answer
    x = 10,749.98

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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.