Home / 14,379.42-21,546.69-9,103.26

Finding the Fourth Proportional to 14,379.42, 21,546.69 and 9,103.26

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Solution

The fourth proportional to 14,379.42, 21,546.69 and 9,103.26 is: 13,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.42 : 21,546.69 = 9,103.26 : x
  2. Step 2: Convert to fraction form
    14,379.42/21,546.69 = 9,103.26/x
  3. Step 3: Cross multiply
    14,379.42x = 21,546.69 × 9,103.26
  4. Step 4: Simplify right side
    14,379.42x = 196,145,121.21
  5. Step 5: Solve for x
    x = 196,145,121.21/14,379.42
  6. Step 6: Final answer
    x = 13,640.68

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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.