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Finding the Fourth Proportional to 22,775.99, 34,174.53 and 8,731.32

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Solution

The fourth proportional to 22,775.99, 34,174.53 and 8,731.32 is: 13,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.99 : 34,174.53 = 8,731.32 : x
  2. Step 2: Convert to fraction form
    22,775.99/34,174.53 = 8,731.32/x
  3. Step 3: Cross multiply
    22,775.99x = 34,174.53 × 8,731.32
  4. Step 4: Simplify right side
    22,775.99x = 298,388,757.28
  5. Step 5: Solve for x
    x = 298,388,757.28/22,775.99
  6. Step 6: Final answer
    x = 13,101.02

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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.