Home / 13,469.40-20,204.10-3,608.43

Finding the Fourth Proportional to 13,469.40, 20,204.10 and 3,608.43

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Solution

The fourth proportional to 13,469.40, 20,204.10 and 3,608.43 is: 5,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.40 : 20,204.10 = 3,608.43 : x
  2. Step 2: Convert to fraction form
    13,469.40/20,204.10 = 3,608.43/x
  3. Step 3: Cross multiply
    13,469.40x = 20,204.10 × 3,608.43
  4. Step 4: Simplify right side
    13,469.40x = 72,905,080.56
  5. Step 5: Solve for x
    x = 72,905,080.56/13,469.40
  6. Step 6: Final answer
    x = 5,412.65

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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.