Home / 11,157.35-16,736.07-3,761.87

Finding the Fourth Proportional to 11,157.35, 16,736.07 and 3,761.87

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Solution

The fourth proportional to 11,157.35, 16,736.07 and 3,761.87 is: 5,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.35 : 16,736.07 = 3,761.87 : x
  2. Step 2: Convert to fraction form
    11,157.35/16,736.07 = 3,761.87/x
  3. Step 3: Cross multiply
    11,157.35x = 16,736.07 × 3,761.87
  4. Step 4: Simplify right side
    11,157.35x = 62,958,899.79
  5. Step 5: Solve for x
    x = 62,958,899.79/11,157.35
  6. Step 6: Final answer
    x = 5,642.82

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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.