Home / 18,119.94-27,179.64-6,282.34

Finding the Fourth Proportional to 18,119.94, 27,179.64 and 6,282.34

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Solution

The fourth proportional to 18,119.94, 27,179.64 and 6,282.34 is: 9,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.94 : 27,179.64 = 6,282.34 : x
  2. Step 2: Convert to fraction form
    18,119.94/27,179.64 = 6,282.34/x
  3. Step 3: Cross multiply
    18,119.94x = 27,179.64 × 6,282.34
  4. Step 4: Simplify right side
    18,119.94x = 170,751,739.56
  5. Step 5: Solve for x
    x = 170,751,739.56/18,119.94
  6. Step 6: Final answer
    x = 9,423.42

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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.