Home / 12,396.83-17,107.62-6,731.55

Finding the Fourth Proportional to 12,396.83, 17,107.62 and 6,731.55

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Solution

The fourth proportional to 12,396.83, 17,107.62 and 6,731.55 is: 9,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.83 : 17,107.62 = 6,731.55 : x
  2. Step 2: Convert to fraction form
    12,396.83/17,107.62 = 6,731.55/x
  3. Step 3: Cross multiply
    12,396.83x = 17,107.62 × 6,731.55
  4. Step 4: Simplify right side
    12,396.83x = 115,160,799.41
  5. Step 5: Solve for x
    x = 115,160,799.41/12,396.83
  6. Step 6: Final answer
    x = 9,289.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.