Home / 18,252.30-27,374.30-8,382.09

Finding the Fourth Proportional to 18,252.30, 27,374.30 and 8,382.09

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Solution

The fourth proportional to 18,252.30, 27,374.30 and 8,382.09 is: 12,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.30 : 27,374.30 = 8,382.09 : x
  2. Step 2: Convert to fraction form
    18,252.30/27,374.30 = 8,382.09/x
  3. Step 3: Cross multiply
    18,252.30x = 27,374.30 × 8,382.09
  4. Step 4: Simplify right side
    18,252.30x = 229,453,804.38
  5. Step 5: Solve for x
    x = 229,453,804.38/18,252.30
  6. Step 6: Final answer
    x = 12,571.23

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1.5x scale

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.