Home / 16,286.20-22,479.06-9,214.90

Finding the Fourth Proportional to 16,286.20, 22,479.06 and 9,214.90

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Solution

The fourth proportional to 16,286.20, 22,479.06 and 9,214.90 is: 12,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.20 : 22,479.06 = 9,214.90 : x
  2. Step 2: Convert to fraction form
    16,286.20/22,479.06 = 9,214.90/x
  3. Step 3: Cross multiply
    16,286.20x = 22,479.06 × 9,214.90
  4. Step 4: Simplify right side
    16,286.20x = 207,142,289.99
  5. Step 5: Solve for x
    x = 207,142,289.99/16,286.20
  6. Step 6: Final answer
    x = 12,718.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.