Home / 18,137.97-27,197.26-6,288.71

Finding the Fourth Proportional to 18,137.97, 27,197.26 and 6,288.71

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Solution

The fourth proportional to 18,137.97, 27,197.26 and 6,288.71 is: 9,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.97 : 27,197.26 = 6,288.71 : x
  2. Step 2: Convert to fraction form
    18,137.97/27,197.26 = 6,288.71/x
  3. Step 3: Cross multiply
    18,137.97x = 27,197.26 × 6,288.71
  4. Step 4: Simplify right side
    18,137.97x = 171,035,529.23
  5. Step 5: Solve for x
    x = 171,035,529.23/18,137.97
  6. Step 6: Final answer
    x = 9,429.70

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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.