Home / 10,217.25-15,317.60-3,193.64

Finding the Fourth Proportional to 10,217.25, 15,317.60 and 3,193.64

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Solution

The fourth proportional to 10,217.25, 15,317.60 and 3,193.64 is: 4,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.25 : 15,317.60 = 3,193.64 : x
  2. Step 2: Convert to fraction form
    10,217.25/15,317.60 = 3,193.64/x
  3. Step 3: Cross multiply
    10,217.25x = 15,317.60 × 3,193.64
  4. Step 4: Simplify right side
    10,217.25x = 48,918,964.58
  5. Step 5: Solve for x
    x = 48,918,964.58/10,217.25
  6. Step 6: Final answer
    x = 4,787.88

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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.