Home / 18,021.87-27,020.01-6,169.95

Finding the Fourth Proportional to 18,021.87, 27,020.01 and 6,169.95

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Solution

The fourth proportional to 18,021.87, 27,020.01 and 6,169.95 is: 9,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.87 : 27,020.01 = 6,169.95 : x
  2. Step 2: Convert to fraction form
    18,021.87/27,020.01 = 6,169.95/x
  3. Step 3: Cross multiply
    18,021.87x = 27,020.01 × 6,169.95
  4. Step 4: Simplify right side
    18,021.87x = 166,712,110.70
  5. Step 5: Solve for x
    x = 166,712,110.70/18,021.87
  6. Step 6: Final answer
    x = 9,250.54

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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.