Home / 12,644.10-18,966.15-11,234.70

Finding the Fourth Proportional to 12,644.10, 18,966.15 and 11,234.70

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Solution

The fourth proportional to 12,644.10, 18,966.15 and 11,234.70 is: 16,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.10 : 18,966.15 = 11,234.70 : x
  2. Step 2: Convert to fraction form
    12,644.10/18,966.15 = 11,234.70/x
  3. Step 3: Cross multiply
    12,644.10x = 18,966.15 × 11,234.70
  4. Step 4: Simplify right side
    12,644.10x = 213,079,005.41
  5. Step 5: Solve for x
    x = 213,079,005.41/12,644.10
  6. Step 6: Final answer
    x = 16,852.05

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Similar ratio
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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.