Home / 12,292.05-16,949.61-8,306.25

Finding the Fourth Proportional to 12,292.05, 16,949.61 and 8,306.25

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Solution

The fourth proportional to 12,292.05, 16,949.61 and 8,306.25 is: 11,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.05 : 16,949.61 = 8,306.25 : x
  2. Step 2: Convert to fraction form
    12,292.05/16,949.61 = 8,306.25/x
  3. Step 3: Cross multiply
    12,292.05x = 16,949.61 × 8,306.25
  4. Step 4: Simplify right side
    12,292.05x = 140,787,698.06
  5. Step 5: Solve for x
    x = 140,787,698.06/12,292.05
  6. Step 6: Final answer
    x = 11,453.56

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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.