Home / 18,696.05-28,049.39-7,610.69

Finding the Fourth Proportional to 18,696.05, 28,049.39 and 7,610.69

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Solution

The fourth proportional to 18,696.05, 28,049.39 and 7,610.69 is: 11,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.05 : 28,049.39 = 7,610.69 : x
  2. Step 2: Convert to fraction form
    18,696.05/28,049.39 = 7,610.69/x
  3. Step 3: Cross multiply
    18,696.05x = 28,049.39 × 7,610.69
  4. Step 4: Simplify right side
    18,696.05x = 213,475,272.59
  5. Step 5: Solve for x
    x = 213,475,272.59/18,696.05
  6. Step 6: Final answer
    x = 11,418.20

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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.