Home / 11,811.83-17,716.66-3,603.83

Finding the Fourth Proportional to 11,811.83, 17,716.66 and 3,603.83

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Solution

The fourth proportional to 11,811.83, 17,716.66 and 3,603.83 is: 5,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.83 : 17,716.66 = 3,603.83 : x
  2. Step 2: Convert to fraction form
    11,811.83/17,716.66 = 3,603.83/x
  3. Step 3: Cross multiply
    11,811.83x = 17,716.66 × 3,603.83
  4. Step 4: Simplify right side
    11,811.83x = 63,847,830.81
  5. Step 5: Solve for x
    x = 63,847,830.81/11,811.83
  6. Step 6: Final answer
    x = 5,405.41

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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.