Home / 18,171.21-27,256.82-5,691.34

Finding the Fourth Proportional to 18,171.21, 27,256.82 and 5,691.34

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Solution

The fourth proportional to 18,171.21, 27,256.82 and 5,691.34 is: 8,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.21 : 27,256.82 = 5,691.34 : x
  2. Step 2: Convert to fraction form
    18,171.21/27,256.82 = 5,691.34/x
  3. Step 3: Cross multiply
    18,171.21x = 27,256.82 × 5,691.34
  4. Step 4: Simplify right side
    18,171.21x = 155,127,733.34
  5. Step 5: Solve for x
    x = 155,127,733.34/18,171.21
  6. Step 6: Final answer
    x = 8,537.01

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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.