Home / 11,536.38-17,241.36-8,422.94

Finding the Fourth Proportional to 11,536.38, 17,241.36 and 8,422.94

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Solution

The fourth proportional to 11,536.38, 17,241.36 and 8,422.94 is: 12,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.38 : 17,241.36 = 8,422.94 : x
  2. Step 2: Convert to fraction form
    11,536.38/17,241.36 = 8,422.94/x
  3. Step 3: Cross multiply
    11,536.38x = 17,241.36 × 8,422.94
  4. Step 4: Simplify right side
    11,536.38x = 145,222,940.80
  5. Step 5: Solve for x
    x = 145,222,940.80/11,536.38
  6. Step 6: Final answer
    x = 12,588.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.