Home / 17,996.57-27,003.96-12,140.88

Finding the Fourth Proportional to 17,996.57, 27,003.96 and 12,140.88

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Solution

The fourth proportional to 17,996.57, 27,003.96 and 12,140.88 is: 18,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.57 : 27,003.96 = 12,140.88 : x
  2. Step 2: Convert to fraction form
    17,996.57/27,003.96 = 12,140.88/x
  3. Step 3: Cross multiply
    17,996.57x = 27,003.96 × 12,140.88
  4. Step 4: Simplify right side
    17,996.57x = 327,851,837.88
  5. Step 5: Solve for x
    x = 327,851,837.88/17,996.57
  6. Step 6: Final answer
    x = 18,217.46

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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.