Home / 18,021.24-27,007.27-11,435.62

Finding the Fourth Proportional to 18,021.24, 27,007.27 and 11,435.62

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Solution

The fourth proportional to 18,021.24, 27,007.27 and 11,435.62 is: 17,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.24 : 27,007.27 = 11,435.62 : x
  2. Step 2: Convert to fraction form
    18,021.24/27,007.27 = 11,435.62/x
  3. Step 3: Cross multiply
    18,021.24x = 27,007.27 × 11,435.62
  4. Step 4: Simplify right side
    18,021.24x = 308,844,876.96
  5. Step 5: Solve for x
    x = 308,844,876.96/18,021.24
  6. Step 6: Final answer
    x = 17,137.83

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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.