Home / 13,469.26-20,207.12-4,235.26

Finding the Fourth Proportional to 13,469.26, 20,207.12 and 4,235.26

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Solution

The fourth proportional to 13,469.26, 20,207.12 and 4,235.26 is: 6,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.26 : 20,207.12 = 4,235.26 : x
  2. Step 2: Convert to fraction form
    13,469.26/20,207.12 = 4,235.26/x
  3. Step 3: Cross multiply
    13,469.26x = 20,207.12 × 4,235.26
  4. Step 4: Simplify right side
    13,469.26x = 85,582,407.05
  5. Step 5: Solve for x
    x = 85,582,407.05/13,469.26
  6. Step 6: Final answer
    x = 6,353.91

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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.