Home / 21,183.04-31,768.99-10,067.62

Finding the Fourth Proportional to 21,183.04, 31,768.99 and 10,067.62

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Solution

The fourth proportional to 21,183.04, 31,768.99 and 10,067.62 is: 15,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.04 : 31,768.99 = 10,067.62 : x
  2. Step 2: Convert to fraction form
    21,183.04/31,768.99 = 10,067.62/x
  3. Step 3: Cross multiply
    21,183.04x = 31,768.99 × 10,067.62
  4. Step 4: Simplify right side
    21,183.04x = 319,837,960.26
  5. Step 5: Solve for x
    x = 319,837,960.26/21,183.04
  6. Step 6: Final answer
    x = 15,098.78

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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.