Home / 20,183.08-30,232.94-11,837.98

Finding the Fourth Proportional to 20,183.08, 30,232.94 and 11,837.98

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Solution

The fourth proportional to 20,183.08, 30,232.94 and 11,837.98 is: 17,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.08 : 30,232.94 = 11,837.98 : x
  2. Step 2: Convert to fraction form
    20,183.08/30,232.94 = 11,837.98/x
  3. Step 3: Cross multiply
    20,183.08x = 30,232.94 × 11,837.98
  4. Step 4: Simplify right side
    20,183.08x = 357,896,939.06
  5. Step 5: Solve for x
    x = 357,896,939.06/20,183.08
  6. Step 6: Final answer
    x = 17,732.52

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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.