Home / 13,613.00-20,422.33-4,252.64

Finding the Fourth Proportional to 13,613.00, 20,422.33 and 4,252.64

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Solution

The fourth proportional to 13,613.00, 20,422.33 and 4,252.64 is: 6,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613.00 : 20,422.33 = 4,252.64 : x
  2. Step 2: Convert to fraction form
    13,613.00/20,422.33 = 4,252.64/x
  3. Step 3: Cross multiply
    13,613.00x = 20,422.33 × 4,252.64
  4. Step 4: Simplify right side
    13,613.00x = 86,848,704.71
  5. Step 5: Solve for x
    x = 86,848,704.71/13,613.00
  6. Step 6: Final answer
    x = 6,379.84

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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.