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Finding the Fourth Proportional to 22,489.07, 33,731.64 and 9,163.47

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Solution

The fourth proportional to 22,489.07, 33,731.64 and 9,163.47 is: 13,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.07 : 33,731.64 = 9,163.47 : x
  2. Step 2: Convert to fraction form
    22,489.07/33,731.64 = 9,163.47/x
  3. Step 3: Cross multiply
    22,489.07x = 33,731.64 × 9,163.47
  4. Step 4: Simplify right side
    22,489.07x = 309,098,822.88
  5. Step 5: Solve for x
    x = 309,098,822.88/22,489.07
  6. Step 6: Final answer
    x = 13,744.40

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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.