Home / 22,226.92-30,670.18-12,291.56

Finding the Fourth Proportional to 22,226.92, 30,670.18 and 12,291.56

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Solution

The fourth proportional to 22,226.92, 30,670.18 and 12,291.56 is: 16,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.92 : 30,670.18 = 12,291.56 : x
  2. Step 2: Convert to fraction form
    22,226.92/30,670.18 = 12,291.56/x
  3. Step 3: Cross multiply
    22,226.92x = 30,670.18 × 12,291.56
  4. Step 4: Simplify right side
    22,226.92x = 376,984,357.68
  5. Step 5: Solve for x
    x = 376,984,357.68/22,226.92
  6. Step 6: Final answer
    x = 16,960.71

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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.