Home / 12,396.72-18,563.33-6,843.90

Finding the Fourth Proportional to 12,396.72, 18,563.33 and 6,843.90

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Solution

The fourth proportional to 12,396.72, 18,563.33 and 6,843.90 is: 10,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.72 : 18,563.33 = 6,843.90 : x
  2. Step 2: Convert to fraction form
    12,396.72/18,563.33 = 6,843.90/x
  3. Step 3: Cross multiply
    12,396.72x = 18,563.33 × 6,843.90
  4. Step 4: Simplify right side
    12,396.72x = 127,045,447.15
  5. Step 5: Solve for x
    x = 127,045,447.15/12,396.72
  6. Step 6: Final answer
    x = 10,248.32

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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.