Home / 18,195.57-27,274.91-13,803.84

Finding the Fourth Proportional to 18,195.57, 27,274.91 and 13,803.84

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Solution

The fourth proportional to 18,195.57, 27,274.91 and 13,803.84 is: 20,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.57 : 27,274.91 = 13,803.84 : x
  2. Step 2: Convert to fraction form
    18,195.57/27,274.91 = 13,803.84/x
  3. Step 3: Cross multiply
    18,195.57x = 27,274.91 × 13,803.84
  4. Step 4: Simplify right side
    18,195.57x = 376,498,424.64
  5. Step 5: Solve for x
    x = 376,498,424.64/18,195.57
  6. Step 6: Final answer
    x = 20,691.76

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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.