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Finding the Fourth Proportional to 13,468.96, 20,206.62 and 4,234.96

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Solution

The fourth proportional to 13,468.96, 20,206.62 and 4,234.96 is: 6,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.96 : 20,206.62 = 4,234.96 : x
  2. Step 2: Convert to fraction form
    13,468.96/20,206.62 = 4,234.96/x
  3. Step 3: Cross multiply
    13,468.96x = 20,206.62 × 4,234.96
  4. Step 4: Simplify right side
    13,468.96x = 85,574,227.44
  5. Step 5: Solve for x
    x = 85,574,227.44/13,468.96
  6. Step 6: Final answer
    x = 6,353.44

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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.