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Finding the Fourth Proportional to 13,234.63, 19,860.18 and 8,246.80

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Solution

The fourth proportional to 13,234.63, 19,860.18 and 8,246.80 is: 12,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.63 : 19,860.18 = 8,246.80 : x
  2. Step 2: Convert to fraction form
    13,234.63/19,860.18 = 8,246.80/x
  3. Step 3: Cross multiply
    13,234.63x = 19,860.18 × 8,246.80
  4. Step 4: Simplify right side
    13,234.63x = 163,782,932.42
  5. Step 5: Solve for x
    x = 163,782,932.42/13,234.63
  6. Step 6: Final answer
    x = 12,375.33

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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.