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Finding the Fourth Proportional to 11,714.81, 17,572.22 and 3,394.83

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Solution

The fourth proportional to 11,714.81, 17,572.22 and 3,394.83 is: 5,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.81 : 17,572.22 = 3,394.83 : x
  2. Step 2: Convert to fraction form
    11,714.81/17,572.22 = 3,394.83/x
  3. Step 3: Cross multiply
    11,714.81x = 17,572.22 × 3,394.83
  4. Step 4: Simplify right side
    11,714.81x = 59,654,748.54
  5. Step 5: Solve for x
    x = 59,654,748.54/11,714.81
  6. Step 6: Final answer
    x = 5,092.25

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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.