Home / 18,131.80-27,197.02-4,983.83

Finding the Fourth Proportional to 18,131.80, 27,197.02 and 4,983.83

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Solution

The fourth proportional to 18,131.80, 27,197.02 and 4,983.83 is: 7,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.80 : 27,197.02 = 4,983.83 : x
  2. Step 2: Convert to fraction form
    18,131.80/27,197.02 = 4,983.83/x
  3. Step 3: Cross multiply
    18,131.80x = 27,197.02 × 4,983.83
  4. Step 4: Simplify right side
    18,131.80x = 135,545,299.27
  5. Step 5: Solve for x
    x = 135,545,299.27/18,131.80
  6. Step 6: Final answer
    x = 7,475.56

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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.