Home / 11,716.90-17,577.57-4,321.94

Finding the Fourth Proportional to 11,716.90, 17,577.57 and 4,321.94

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Solution

The fourth proportional to 11,716.90, 17,577.57 and 4,321.94 is: 6,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.90 : 17,577.57 = 4,321.94 : x
  2. Step 2: Convert to fraction form
    11,716.90/17,577.57 = 4,321.94/x
  3. Step 3: Cross multiply
    11,716.90x = 17,577.57 × 4,321.94
  4. Step 4: Simplify right side
    11,716.90x = 75,969,131.21
  5. Step 5: Solve for x
    x = 75,969,131.21/11,716.90
  6. Step 6: Final answer
    x = 6,483.72

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1.5x scale

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.