Home / 18,131.30-27,185.14-7,608.06

Finding the Fourth Proportional to 18,131.30, 27,185.14 and 7,608.06

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Solution

The fourth proportional to 18,131.30, 27,185.14 and 7,608.06 is: 11,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.30 : 27,185.14 = 7,608.06 : x
  2. Step 2: Convert to fraction form
    18,131.30/27,185.14 = 7,608.06/x
  3. Step 3: Cross multiply
    18,131.30x = 27,185.14 × 7,608.06
  4. Step 4: Simplify right side
    18,131.30x = 206,826,176.23
  5. Step 5: Solve for x
    x = 206,826,176.23/18,131.30
  6. Step 6: Final answer
    x = 11,407.13

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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.