Home / 11,591.38-17,355.48-8,072.74

Finding the Fourth Proportional to 11,591.38, 17,355.48 and 8,072.74

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Solution

The fourth proportional to 11,591.38, 17,355.48 and 8,072.74 is: 12,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.38 : 17,355.48 = 8,072.74 : x
  2. Step 2: Convert to fraction form
    11,591.38/17,355.48 = 8,072.74/x
  3. Step 3: Cross multiply
    11,591.38x = 17,355.48 × 8,072.74
  4. Step 4: Simplify right side
    11,591.38x = 140,106,277.62
  5. Step 5: Solve for x
    x = 140,106,277.62/11,591.38
  6. Step 6: Final answer
    x = 12,087.11

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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.