Home / 18,416.68-27,628.62-6,728.36

Finding the Fourth Proportional to 18,416.68, 27,628.62 and 6,728.36

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Solution

The fourth proportional to 18,416.68, 27,628.62 and 6,728.36 is: 10,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.68 : 27,628.62 = 6,728.36 : x
  2. Step 2: Convert to fraction form
    18,416.68/27,628.62 = 6,728.36/x
  3. Step 3: Cross multiply
    18,416.68x = 27,628.62 × 6,728.36
  4. Step 4: Simplify right side
    18,416.68x = 185,895,301.66
  5. Step 5: Solve for x
    x = 185,895,301.66/18,416.68
  6. Step 6: Final answer
    x = 10,093.86

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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.