Home / 12,098.25-18,218.43-10,556.64

Finding the Fourth Proportional to 12,098.25, 18,218.43 and 10,556.64

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Solution

The fourth proportional to 12,098.25, 18,218.43 and 10,556.64 is: 15,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.25 : 18,218.43 = 10,556.64 : x
  2. Step 2: Convert to fraction form
    12,098.25/18,218.43 = 10,556.64/x
  3. Step 3: Cross multiply
    12,098.25x = 18,218.43 × 10,556.64
  4. Step 4: Simplify right side
    12,098.25x = 192,325,393.68
  5. Step 5: Solve for x
    x = 192,325,393.68/12,098.25
  6. Step 6: Final answer
    x = 15,896.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.