Home / 13,273.85-18,310.26-8,297.21

Finding the Fourth Proportional to 13,273.85, 18,310.26 and 8,297.21

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Solution

The fourth proportional to 13,273.85, 18,310.26 and 8,297.21 is: 11,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.85 : 18,310.26 = 8,297.21 : x
  2. Step 2: Convert to fraction form
    13,273.85/18,310.26 = 8,297.21/x
  3. Step 3: Cross multiply
    13,273.85x = 18,310.26 × 8,297.21
  4. Step 4: Simplify right side
    13,273.85x = 151,924,072.37
  5. Step 5: Solve for x
    x = 151,924,072.37/13,273.85
  6. Step 6: Final answer
    x = 11,445.37

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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.