Home / 22,909.70-34,364.55-8,135.30

Finding the Fourth Proportional to 22,909.70, 34,364.55 and 8,135.30

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Solution

The fourth proportional to 22,909.70, 34,364.55 and 8,135.30 is: 12,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.70 : 34,364.55 = 8,135.30 : x
  2. Step 2: Convert to fraction form
    22,909.70/34,364.55 = 8,135.30/x
  3. Step 3: Cross multiply
    22,909.70x = 34,364.55 × 8,135.30
  4. Step 4: Simplify right side
    22,909.70x = 279,565,923.62
  5. Step 5: Solve for x
    x = 279,565,923.62/22,909.70
  6. Step 6: Final answer
    x = 12,202.95

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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.