Home / 12,553.39-18,808.82-8,333.70

Finding the Fourth Proportional to 12,553.39, 18,808.82 and 8,333.70

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Solution

The fourth proportional to 12,553.39, 18,808.82 and 8,333.70 is: 12,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.39 : 18,808.82 = 8,333.70 : x
  2. Step 2: Convert to fraction form
    12,553.39/18,808.82 = 8,333.70/x
  3. Step 3: Cross multiply
    12,553.39x = 18,808.82 × 8,333.70
  4. Step 4: Simplify right side
    12,553.39x = 156,747,063.23
  5. Step 5: Solve for x
    x = 156,747,063.23/12,553.39
  6. Step 6: Final answer
    x = 12,486.43

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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.