Home / 14,638.46-21,958.67-5,149.64

Finding the Fourth Proportional to 14,638.46, 21,958.67 and 5,149.64

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Solution

The fourth proportional to 14,638.46, 21,958.67 and 5,149.64 is: 7,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.46 : 21,958.67 = 5,149.64 : x
  2. Step 2: Convert to fraction form
    14,638.46/21,958.67 = 5,149.64/x
  3. Step 3: Cross multiply
    14,638.46x = 21,958.67 × 5,149.64
  4. Step 4: Simplify right side
    14,638.46x = 113,079,245.38
  5. Step 5: Solve for x
    x = 113,079,245.38/14,638.46
  6. Step 6: Final answer
    x = 7,724.80

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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.