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Finding the Fourth Proportional to 11,734.64, 17,602.80 and 3,414.74

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Solution

The fourth proportional to 11,734.64, 17,602.80 and 3,414.74 is: 5,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.64 : 17,602.80 = 3,414.74 : x
  2. Step 2: Convert to fraction form
    11,734.64/17,602.80 = 3,414.74/x
  3. Step 3: Cross multiply
    11,734.64x = 17,602.80 × 3,414.74
  4. Step 4: Simplify right side
    11,734.64x = 60,108,985.27
  5. Step 5: Solve for x
    x = 60,108,985.27/11,734.64
  6. Step 6: Final answer
    x = 5,122.35

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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.