Home / 12,260.17-18,389.22-3,937.96

Finding the Fourth Proportional to 12,260.17, 18,389.22 and 3,937.96

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Solution

The fourth proportional to 12,260.17, 18,389.22 and 3,937.96 is: 5,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.17 : 18,389.22 = 3,937.96 : x
  2. Step 2: Convert to fraction form
    12,260.17/18,389.22 = 3,937.96/x
  3. Step 3: Cross multiply
    12,260.17x = 18,389.22 × 3,937.96
  4. Step 4: Simplify right side
    12,260.17x = 72,416,012.79
  5. Step 5: Solve for x
    x = 72,416,012.79/12,260.17
  6. Step 6: Final answer
    x = 5,906.61

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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.