Home / 18,002.68-27,008.37-6,758.12

Finding the Fourth Proportional to 18,002.68, 27,008.37 and 6,758.12

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Solution

The fourth proportional to 18,002.68, 27,008.37 and 6,758.12 is: 10,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.68 : 27,008.37 = 6,758.12 : x
  2. Step 2: Convert to fraction form
    18,002.68/27,008.37 = 6,758.12/x
  3. Step 3: Cross multiply
    18,002.68x = 27,008.37 × 6,758.12
  4. Step 4: Simplify right side
    18,002.68x = 182,525,872.99
  5. Step 5: Solve for x
    x = 182,525,872.99/18,002.68
  6. Step 6: Final answer
    x = 10,138.82

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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.