Home / 18,020.25-27,011.55-6,170.53

Finding the Fourth Proportional to 18,020.25, 27,011.55 and 6,170.53

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Solution

The fourth proportional to 18,020.25, 27,011.55 and 6,170.53 is: 9,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.25 : 27,011.55 = 6,170.53 : x
  2. Step 2: Convert to fraction form
    18,020.25/27,011.55 = 6,170.53/x
  3. Step 3: Cross multiply
    18,020.25x = 27,011.55 × 6,170.53
  4. Step 4: Simplify right side
    18,020.25x = 166,675,579.62
  5. Step 5: Solve for x
    x = 166,675,579.62/18,020.25
  6. Step 6: Final answer
    x = 9,249.35

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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.