Home / 13,481.50-20,223.30-6,090.10

Finding the Fourth Proportional to 13,481.50, 20,223.30 and 6,090.10

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Solution

The fourth proportional to 13,481.50, 20,223.30 and 6,090.10 is: 9,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.50 : 20,223.30 = 6,090.10 : x
  2. Step 2: Convert to fraction form
    13,481.50/20,223.30 = 6,090.10/x
  3. Step 3: Cross multiply
    13,481.50x = 20,223.30 × 6,090.10
  4. Step 4: Simplify right side
    13,481.50x = 123,161,919.33
  5. Step 5: Solve for x
    x = 123,161,919.33/13,481.50
  6. Step 6: Final answer
    x = 9,135.62

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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.