Home / 11,662.66-16,093.88-6,626.21

Finding the Fourth Proportional to 11,662.66, 16,093.88 and 6,626.21

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Solution

The fourth proportional to 11,662.66, 16,093.88 and 6,626.21 is: 9,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.66 : 16,093.88 = 6,626.21 : x
  2. Step 2: Convert to fraction form
    11,662.66/16,093.88 = 6,626.21/x
  3. Step 3: Cross multiply
    11,662.66x = 16,093.88 × 6,626.21
  4. Step 4: Simplify right side
    11,662.66x = 106,641,428.59
  5. Step 5: Solve for x
    x = 106,641,428.59/11,662.66
  6. Step 6: Final answer
    x = 9,143.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.