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Finding the Fourth Proportional to 22,969.50, 34,463.11 and 8,939.42

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Solution

The fourth proportional to 22,969.50, 34,463.11 and 8,939.42 is: 13,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.50 : 34,463.11 = 8,939.42 : x
  2. Step 2: Convert to fraction form
    22,969.50/34,463.11 = 8,939.42/x
  3. Step 3: Cross multiply
    22,969.50x = 34,463.11 × 8,939.42
  4. Step 4: Simplify right side
    22,969.50x = 308,080,214.80
  5. Step 5: Solve for x
    x = 308,080,214.80/22,969.50
  6. Step 6: Final answer
    x = 13,412.58

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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.