Home / 18,011.94-27,012.42-6,322.38

Finding the Fourth Proportional to 18,011.94, 27,012.42 and 6,322.38

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Solution

The fourth proportional to 18,011.94, 27,012.42 and 6,322.38 is: 9,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.94 : 27,012.42 = 6,322.38 : x
  2. Step 2: Convert to fraction form
    18,011.94/27,012.42 = 6,322.38/x
  3. Step 3: Cross multiply
    18,011.94x = 27,012.42 × 6,322.38
  4. Step 4: Simplify right side
    18,011.94x = 170,782,783.96
  5. Step 5: Solve for x
    x = 170,782,783.96/18,011.94
  6. Step 6: Final answer
    x = 9,481.64

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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.