Home / 12,536.44-18,817.31-5,519.58

Finding the Fourth Proportional to 12,536.44, 18,817.31 and 5,519.58

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Solution

The fourth proportional to 12,536.44, 18,817.31 and 5,519.58 is: 8,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.44 : 18,817.31 = 5,519.58 : x
  2. Step 2: Convert to fraction form
    12,536.44/18,817.31 = 5,519.58/x
  3. Step 3: Cross multiply
    12,536.44x = 18,817.31 × 5,519.58
  4. Step 4: Simplify right side
    12,536.44x = 103,863,591.16
  5. Step 5: Solve for x
    x = 103,863,591.16/12,536.44
  6. Step 6: Final answer
    x = 8,284.94

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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.