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Finding the Fourth Proportional to 22,395.34, 33,591.79 and 6,811.75

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Solution

The fourth proportional to 22,395.34, 33,591.79 and 6,811.75 is: 10,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.34 : 33,591.79 = 6,811.75 : x
  2. Step 2: Convert to fraction form
    22,395.34/33,591.79 = 6,811.75/x
  3. Step 3: Cross multiply
    22,395.34x = 33,591.79 × 6,811.75
  4. Step 4: Simplify right side
    22,395.34x = 228,818,875.53
  5. Step 5: Solve for x
    x = 228,818,875.53/22,395.34
  6. Step 6: Final answer
    x = 10,217.25

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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.