Home / 18,442.72-27,665.16-5,294.80

Finding the Fourth Proportional to 18,442.72, 27,665.16 and 5,294.80

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Solution

The fourth proportional to 18,442.72, 27,665.16 and 5,294.80 is: 7,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.72 : 27,665.16 = 5,294.80 : x
  2. Step 2: Convert to fraction form
    18,442.72/27,665.16 = 5,294.80/x
  3. Step 3: Cross multiply
    18,442.72x = 27,665.16 × 5,294.80
  4. Step 4: Simplify right side
    18,442.72x = 146,481,489.17
  5. Step 5: Solve for x
    x = 146,481,489.17/18,442.72
  6. Step 6: Final answer
    x = 7,942.51

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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.