Home / 13,608.22-20,412.32-4,249.04

Finding the Fourth Proportional to 13,608.22, 20,412.32 and 4,249.04

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Solution

The fourth proportional to 13,608.22, 20,412.32 and 4,249.04 is: 6,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.22 : 20,412.32 = 4,249.04 : x
  2. Step 2: Convert to fraction form
    13,608.22/20,412.32 = 4,249.04/x
  3. Step 3: Cross multiply
    13,608.22x = 20,412.32 × 4,249.04
  4. Step 4: Simplify right side
    13,608.22x = 86,732,692.26
  5. Step 5: Solve for x
    x = 86,732,692.26/13,608.22
  6. Step 6: Final answer
    x = 6,373.55

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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.