Home / 18,625.32-27,918.54-6,933.78

Finding the Fourth Proportional to 18,625.32, 27,918.54 and 6,933.78

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Solution

The fourth proportional to 18,625.32, 27,918.54 and 6,933.78 is: 10,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.32 : 27,918.54 = 6,933.78 : x
  2. Step 2: Convert to fraction form
    18,625.32/27,918.54 = 6,933.78/x
  3. Step 3: Cross multiply
    18,625.32x = 27,918.54 × 6,933.78
  4. Step 4: Simplify right side
    18,625.32x = 193,581,014.28
  5. Step 5: Solve for x
    x = 193,581,014.28/18,625.32
  6. Step 6: Final answer
    x = 10,393.43

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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.