Home / 18,269.42-27,382.64-8,262.54

Finding the Fourth Proportional to 18,269.42, 27,382.64 and 8,262.54

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Solution

The fourth proportional to 18,269.42, 27,382.64 and 8,262.54 is: 12,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.42 : 27,382.64 = 8,262.54 : x
  2. Step 2: Convert to fraction form
    18,269.42/27,382.64 = 8,262.54/x
  3. Step 3: Cross multiply
    18,269.42x = 27,382.64 × 8,262.54
  4. Step 4: Simplify right side
    18,269.42x = 226,250,116.99
  5. Step 5: Solve for x
    x = 226,250,116.99/18,269.42
  6. Step 6: Final answer
    x = 12,384.09

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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.