Home / 18,601.09-27,901.87-5,453.73

Finding the Fourth Proportional to 18,601.09, 27,901.87 and 5,453.73

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Solution

The fourth proportional to 18,601.09, 27,901.87 and 5,453.73 is: 8,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.09 : 27,901.87 = 5,453.73 : x
  2. Step 2: Convert to fraction form
    18,601.09/27,901.87 = 5,453.73/x
  3. Step 3: Cross multiply
    18,601.09x = 27,901.87 × 5,453.73
  4. Step 4: Simplify right side
    18,601.09x = 152,169,098.70
  5. Step 5: Solve for x
    x = 152,169,098.70/18,601.09
  6. Step 6: Final answer
    x = 8,180.65

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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.