Home / 18,174.96-27,267.36-6,489.12

Finding the Fourth Proportional to 18,174.96, 27,267.36 and 6,489.12

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Solution

The fourth proportional to 18,174.96, 27,267.36 and 6,489.12 is: 9,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.96 : 27,267.36 = 6,489.12 : x
  2. Step 2: Convert to fraction form
    18,174.96/27,267.36 = 6,489.12/x
  3. Step 3: Cross multiply
    18,174.96x = 27,267.36 × 6,489.12
  4. Step 4: Simplify right side
    18,174.96x = 176,941,171.12
  5. Step 5: Solve for x
    x = 176,941,171.12/18,174.96
  6. Step 6: Final answer
    x = 9,735.44

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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.