Home / 18,086.22-24,958.94-10,128.38

Finding the Fourth Proportional to 18,086.22, 24,958.94 and 10,128.38

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Solution

The fourth proportional to 18,086.22, 24,958.94 and 10,128.38 is: 13,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.22 : 24,958.94 = 10,128.38 : x
  2. Step 2: Convert to fraction form
    18,086.22/24,958.94 = 10,128.38/x
  3. Step 3: Cross multiply
    18,086.22x = 24,958.94 × 10,128.38
  4. Step 4: Simplify right side
    18,086.22x = 252,793,453.28
  5. Step 5: Solve for x
    x = 252,793,453.28/18,086.22
  6. Step 6: Final answer
    x = 13,977.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.