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Finding the Fourth Proportional to 19,211.10, 28,814.22 and 6,064.80

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Solution

The fourth proportional to 19,211.10, 28,814.22 and 6,064.80 is: 9,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.10 : 28,814.22 = 6,064.80 : x
  2. Step 2: Convert to fraction form
    19,211.10/28,814.22 = 6,064.80/x
  3. Step 3: Cross multiply
    19,211.10x = 28,814.22 × 6,064.80
  4. Step 4: Simplify right side
    19,211.10x = 174,752,481.46
  5. Step 5: Solve for x
    x = 174,752,481.46/19,211.10
  6. Step 6: Final answer
    x = 9,096.43

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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.