Home / 13,630.25-20,441.43-5,308.41

Finding the Fourth Proportional to 13,630.25, 20,441.43 and 5,308.41

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Solution

The fourth proportional to 13,630.25, 20,441.43 and 5,308.41 is: 7,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.25 : 20,441.43 = 5,308.41 : x
  2. Step 2: Convert to fraction form
    13,630.25/20,441.43 = 5,308.41/x
  3. Step 3: Cross multiply
    13,630.25x = 20,441.43 × 5,308.41
  4. Step 4: Simplify right side
    13,630.25x = 108,511,491.43
  5. Step 5: Solve for x
    x = 108,511,491.43/13,630.25
  6. Step 6: Final answer
    x = 7,961.08

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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.