Home / 18,122.15-27,179.01-4,975.58

Finding the Fourth Proportional to 18,122.15, 27,179.01 and 4,975.58

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Solution

The fourth proportional to 18,122.15, 27,179.01 and 4,975.58 is: 7,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.15 : 27,179.01 = 4,975.58 : x
  2. Step 2: Convert to fraction form
    18,122.15/27,179.01 = 4,975.58/x
  3. Step 3: Cross multiply
    18,122.15x = 27,179.01 × 4,975.58
  4. Step 4: Simplify right side
    18,122.15x = 135,231,202.68
  5. Step 5: Solve for x
    x = 135,231,202.68/18,122.15
  6. Step 6: Final answer
    x = 7,462.21

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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.