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Finding the Fourth Proportional to 8,944.42, 13,351.21 and 8,293.90

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Solution

The fourth proportional to 8,944.42, 13,351.21 and 8,293.90 is: 12,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.42 : 13,351.21 = 8,293.90 : x
  2. Step 2: Convert to fraction form
    8,944.42/13,351.21 = 8,293.90/x
  3. Step 3: Cross multiply
    8,944.42x = 13,351.21 × 8,293.90
  4. Step 4: Simplify right side
    8,944.42x = 110,733,600.62
  5. Step 5: Solve for x
    x = 110,733,600.62/8,944.42
  6. Step 6: Final answer
    x = 12,380.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.