Home / 11,877.39-17,811.07-3,558.59

Finding the Fourth Proportional to 11,877.39, 17,811.07 and 3,558.59

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Solution

The fourth proportional to 11,877.39, 17,811.07 and 3,558.59 is: 5,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.39 : 17,811.07 = 3,558.59 : x
  2. Step 2: Convert to fraction form
    11,877.39/17,811.07 = 3,558.59/x
  3. Step 3: Cross multiply
    11,877.39x = 17,811.07 × 3,558.59
  4. Step 4: Simplify right side
    11,877.39x = 63,382,197.64
  5. Step 5: Solve for x
    x = 63,382,197.64/11,877.39
  6. Step 6: Final answer
    x = 5,336.37

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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.