Home / 22,245.38-30,698.62-12,309.38

Finding the Fourth Proportional to 22,245.38, 30,698.62 and 12,309.38

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Solution

The fourth proportional to 22,245.38, 30,698.62 and 12,309.38 is: 16,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.38 : 30,698.62 = 12,309.38 : x
  2. Step 2: Convert to fraction form
    22,245.38/30,698.62 = 12,309.38/x
  3. Step 3: Cross multiply
    22,245.38x = 30,698.62 × 12,309.38
  4. Step 4: Simplify right side
    22,245.38x = 377,880,794.79
  5. Step 5: Solve for x
    x = 377,880,794.79/22,245.38
  6. Step 6: Final answer
    x = 16,986.94

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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.