Home / 11,682.21-17,520.96-4,284.15

Finding the Fourth Proportional to 11,682.21, 17,520.96 and 4,284.15

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Solution

The fourth proportional to 11,682.21, 17,520.96 and 4,284.15 is: 6,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.21 : 17,520.96 = 4,284.15 : x
  2. Step 2: Convert to fraction form
    11,682.21/17,520.96 = 4,284.15/x
  3. Step 3: Cross multiply
    11,682.21x = 17,520.96 × 4,284.15
  4. Step 4: Simplify right side
    11,682.21x = 75,062,420.78
  5. Step 5: Solve for x
    x = 75,062,420.78/11,682.21
  6. Step 6: Final answer
    x = 6,425.36

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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.