Home / 18,185.26-27,277.89-5,707.21

Finding the Fourth Proportional to 18,185.26, 27,277.89 and 5,707.21

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Solution

The fourth proportional to 18,185.26, 27,277.89 and 5,707.21 is: 8,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.26 : 27,277.89 = 5,707.21 : x
  2. Step 2: Convert to fraction form
    18,185.26/27,277.89 = 5,707.21/x
  3. Step 3: Cross multiply
    18,185.26x = 27,277.89 × 5,707.21
  4. Step 4: Simplify right side
    18,185.26x = 155,680,481.66
  5. Step 5: Solve for x
    x = 155,680,481.66/18,185.26
  6. Step 6: Final answer
    x = 8,560.81

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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.