Home / 11,447.18-15,794.43-8,297.90

Finding the Fourth Proportional to 11,447.18, 15,794.43 and 8,297.90

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Solution

The fourth proportional to 11,447.18, 15,794.43 and 8,297.90 is: 11,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.18 : 15,794.43 = 8,297.90 : x
  2. Step 2: Convert to fraction form
    11,447.18/15,794.43 = 8,297.90/x
  3. Step 3: Cross multiply
    11,447.18x = 15,794.43 × 8,297.90
  4. Step 4: Simplify right side
    11,447.18x = 131,060,600.70
  5. Step 5: Solve for x
    x = 131,060,600.70/11,447.18
  6. Step 6: Final answer
    x = 11,449.16

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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.