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Finding the Fourth Proportional to 14,644.14, 20,211.30 and 10,892.22

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Solution

The fourth proportional to 14,644.14, 20,211.30 and 10,892.22 is: 15,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.14 : 20,211.30 = 10,892.22 : x
  2. Step 2: Convert to fraction form
    14,644.14/20,211.30 = 10,892.22/x
  3. Step 3: Cross multiply
    14,644.14x = 20,211.30 × 10,892.22
  4. Step 4: Simplify right side
    14,644.14x = 220,145,926.09
  5. Step 5: Solve for x
    x = 220,145,926.09/14,644.14
  6. Step 6: Final answer
    x = 15,033.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.