Home / 12,536.21-18,801.20-5,517.96

Finding the Fourth Proportional to 12,536.21, 18,801.20 and 5,517.96

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Solution

The fourth proportional to 12,536.21, 18,801.20 and 5,517.96 is: 8,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.21 : 18,801.20 = 5,517.96 : x
  2. Step 2: Convert to fraction form
    12,536.21/18,801.20 = 5,517.96/x
  3. Step 3: Cross multiply
    12,536.21x = 18,801.20 × 5,517.96
  4. Step 4: Simplify right side
    12,536.21x = 103,744,241.96
  5. Step 5: Solve for x
    x = 103,744,241.96/12,536.21
  6. Step 6: Final answer
    x = 8,275.57

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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.