Home / 13,401.64-20,094.36-6,383.80

Finding the Fourth Proportional to 13,401.64, 20,094.36 and 6,383.80

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Solution

The fourth proportional to 13,401.64, 20,094.36 and 6,383.80 is: 9,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.64 : 20,094.36 = 6,383.80 : x
  2. Step 2: Convert to fraction form
    13,401.64/20,094.36 = 6,383.80/x
  3. Step 3: Cross multiply
    13,401.64x = 20,094.36 × 6,383.80
  4. Step 4: Simplify right side
    13,401.64x = 128,278,375.37
  5. Step 5: Solve for x
    x = 128,278,375.37/13,401.64
  6. Step 6: Final answer
    x = 9,571.84

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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.