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Finding the Fourth Proportional to 17,374.70, 26,061.84 and 4,227.10

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Solution

The fourth proportional to 17,374.70, 26,061.84 and 4,227.10 is: 6,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.70 : 26,061.84 = 4,227.10 : x
  2. Step 2: Convert to fraction form
    17,374.70/26,061.84 = 4,227.10/x
  3. Step 3: Cross multiply
    17,374.70x = 26,061.84 × 4,227.10
  4. Step 4: Simplify right side
    17,374.70x = 110,166,003.86
  5. Step 5: Solve for x
    x = 110,166,003.86/17,374.70
  6. Step 6: Final answer
    x = 6,340.60

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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.