Home / 18,171.03-27,258.89-5,691.63

Finding the Fourth Proportional to 18,171.03, 27,258.89 and 5,691.63

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Solution

The fourth proportional to 18,171.03, 27,258.89 and 5,691.63 is: 8,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.03 : 27,258.89 = 5,691.63 : x
  2. Step 2: Convert to fraction form
    18,171.03/27,258.89 = 5,691.63/x
  3. Step 3: Cross multiply
    18,171.03x = 27,258.89 × 5,691.63
  4. Step 4: Simplify right side
    18,171.03x = 155,147,487.63
  5. Step 5: Solve for x
    x = 155,147,487.63/18,171.03
  6. Step 6: Final answer
    x = 8,538.18

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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.