Home / 12,286.00-18,401.30-8,604.66

Finding the Fourth Proportional to 12,286.00, 18,401.30 and 8,604.66

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Solution

The fourth proportional to 12,286.00, 18,401.30 and 8,604.66 is: 12,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.00 : 18,401.30 = 8,604.66 : x
  2. Step 2: Convert to fraction form
    12,286.00/18,401.30 = 8,604.66/x
  3. Step 3: Cross multiply
    12,286.00x = 18,401.30 × 8,604.66
  4. Step 4: Simplify right side
    12,286.00x = 158,336,988.31
  5. Step 5: Solve for x
    x = 158,336,988.31/12,286.00
  6. Step 6: Final answer
    x = 12,887.59

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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.