Home / 11,758.57-16,227.84-6,454.42

Finding the Fourth Proportional to 11,758.57, 16,227.84 and 6,454.42

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Solution

The fourth proportional to 11,758.57, 16,227.84 and 6,454.42 is: 8,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.57 : 16,227.84 = 6,454.42 : x
  2. Step 2: Convert to fraction form
    11,758.57/16,227.84 = 6,454.42/x
  3. Step 3: Cross multiply
    11,758.57x = 16,227.84 × 6,454.42
  4. Step 4: Simplify right side
    11,758.57x = 104,741,295.05
  5. Step 5: Solve for x
    x = 104,741,295.05/11,758.57
  6. Step 6: Final answer
    x = 8,907.66

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Double scale
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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.