Home / 18,310.82-27,455.43-6,458.90

Finding the Fourth Proportional to 18,310.82, 27,455.43 and 6,458.90

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Solution

The fourth proportional to 18,310.82, 27,455.43 and 6,458.90 is: 9,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.82 : 27,455.43 = 6,458.90 : x
  2. Step 2: Convert to fraction form
    18,310.82/27,455.43 = 6,458.90/x
  3. Step 3: Cross multiply
    18,310.82x = 27,455.43 × 6,458.90
  4. Step 4: Simplify right side
    18,310.82x = 177,331,876.83
  5. Step 5: Solve for x
    x = 177,331,876.83/18,310.82
  6. Step 6: Final answer
    x = 9,684.54

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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.