Home / 17,992.81-26,961.87-11,399

Finding the Fourth Proportional to 17,992.81, 26,961.87 and 11,399

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Solution

The fourth proportional to 17,992.81, 26,961.87 and 11,399 is: 17,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.81 : 26,961.87 = 11,399 : x
  2. Step 2: Convert to fraction form
    17,992.81/26,961.87 = 11,399/x
  3. Step 3: Cross multiply
    17,992.81x = 26,961.87 × 11,399
  4. Step 4: Simplify right side
    17,992.81x = 307,338,356.13
  5. Step 5: Solve for x
    x = 307,338,356.13/17,992.81
  6. Step 6: Final answer
    x = 17,081.18

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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.