Home / 18,282.78-27,425.48-8,930.57

Finding the Fourth Proportional to 18,282.78, 27,425.48 and 8,930.57

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Solution

The fourth proportional to 18,282.78, 27,425.48 and 8,930.57 is: 13,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.78 : 27,425.48 = 8,930.57 : x
  2. Step 2: Convert to fraction form
    18,282.78/27,425.48 = 8,930.57/x
  3. Step 3: Cross multiply
    18,282.78x = 27,425.48 × 8,930.57
  4. Step 4: Simplify right side
    18,282.78x = 244,924,987.14
  5. Step 5: Solve for x
    x = 244,924,987.14/18,282.78
  6. Step 6: Final answer
    x = 13,396.48

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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.