Home / 18,930.97-28,397.27-7,083.64

Finding the Fourth Proportional to 18,930.97, 28,397.27 and 7,083.64

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Solution

The fourth proportional to 18,930.97, 28,397.27 and 7,083.64 is: 10,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.97 : 28,397.27 = 7,083.64 : x
  2. Step 2: Convert to fraction form
    18,930.97/28,397.27 = 7,083.64/x
  3. Step 3: Cross multiply
    18,930.97x = 28,397.27 × 7,083.64
  4. Step 4: Simplify right side
    18,930.97x = 201,156,037.66
  5. Step 5: Solve for x
    x = 201,156,037.66/18,930.97
  6. Step 6: Final answer
    x = 10,625.76

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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.