Home / 18,084.94-27,131.64-5,604.31

Finding the Fourth Proportional to 18,084.94, 27,131.64 and 5,604.31

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Solution

The fourth proportional to 18,084.94, 27,131.64 and 5,604.31 is: 8,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.94 : 27,131.64 = 5,604.31 : x
  2. Step 2: Convert to fraction form
    18,084.94/27,131.64 = 5,604.31/x
  3. Step 3: Cross multiply
    18,084.94x = 27,131.64 × 5,604.31
  4. Step 4: Simplify right side
    18,084.94x = 152,054,121.37
  5. Step 5: Solve for x
    x = 152,054,121.37/18,084.94
  6. Step 6: Final answer
    x = 8,407.78

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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.