Home / 18,269.70-27,382.50-8,395.44

Finding the Fourth Proportional to 18,269.70, 27,382.50 and 8,395.44

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Solution

The fourth proportional to 18,269.70, 27,382.50 and 8,395.44 is: 12,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.70 : 27,382.50 = 8,395.44 : x
  2. Step 2: Convert to fraction form
    18,269.70/27,382.50 = 8,395.44/x
  3. Step 3: Cross multiply
    18,269.70x = 27,382.50 × 8,395.44
  4. Step 4: Simplify right side
    18,269.70x = 229,888,135.80
  5. Step 5: Solve for x
    x = 229,888,135.80/18,269.70
  6. Step 6: Final answer
    x = 12,583.03

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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.