Home / 13,941.64-20,906.32-6,548.20

Finding the Fourth Proportional to 13,941.64, 20,906.32 and 6,548.20

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Solution

The fourth proportional to 13,941.64, 20,906.32 and 6,548.20 is: 9,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.64 : 20,906.32 = 6,548.20 : x
  2. Step 2: Convert to fraction form
    13,941.64/20,906.32 = 6,548.20/x
  3. Step 3: Cross multiply
    13,941.64x = 20,906.32 × 6,548.20
  4. Step 4: Simplify right side
    13,941.64x = 136,898,764.62
  5. Step 5: Solve for x
    x = 136,898,764.62/13,941.64
  6. Step 6: Final answer
    x = 9,819.42

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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.