Home / 18,270.96-27,422.04-7,185.42

Finding the Fourth Proportional to 18,270.96, 27,422.04 and 7,185.42

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Solution

The fourth proportional to 18,270.96, 27,422.04 and 7,185.42 is: 10,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.96 : 27,422.04 = 7,185.42 : x
  2. Step 2: Convert to fraction form
    18,270.96/27,422.04 = 7,185.42/x
  3. Step 3: Cross multiply
    18,270.96x = 27,422.04 × 7,185.42
  4. Step 4: Simplify right side
    18,270.96x = 197,038,874.66
  5. Step 5: Solve for x
    x = 197,038,874.66/18,270.96
  6. Step 6: Final answer
    x = 10,784.27

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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.