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Finding the Fourth Proportional to 22,245.87, 33,368.90 and 6,451.86

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Solution

The fourth proportional to 22,245.87, 33,368.90 and 6,451.86 is: 9,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.87 : 33,368.90 = 6,451.86 : x
  2. Step 2: Convert to fraction form
    22,245.87/33,368.90 = 6,451.86/x
  3. Step 3: Cross multiply
    22,245.87x = 33,368.90 × 6,451.86
  4. Step 4: Simplify right side
    22,245.87x = 215,291,438.89
  5. Step 5: Solve for x
    x = 215,291,438.89/22,245.87
  6. Step 6: Final answer
    x = 9,677.82

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1.5x scale

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.