Home / 12,634.56-18,942.66-4,735.80

Finding the Fourth Proportional to 12,634.56, 18,942.66 and 4,735.80

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Solution

The fourth proportional to 12,634.56, 18,942.66 and 4,735.80 is: 7,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.56 : 18,942.66 = 4,735.80 : x
  2. Step 2: Convert to fraction form
    12,634.56/18,942.66 = 4,735.80/x
  3. Step 3: Cross multiply
    12,634.56x = 18,942.66 × 4,735.80
  4. Step 4: Simplify right side
    12,634.56x = 89,708,649.23
  5. Step 5: Solve for x
    x = 89,708,649.23/12,634.56
  6. Step 6: Final answer
    x = 7,100.26

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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.