Home / 12,504.26-17,247.74-8,020.91

Finding the Fourth Proportional to 12,504.26, 17,247.74 and 8,020.91

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Solution

The fourth proportional to 12,504.26, 17,247.74 and 8,020.91 is: 11,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.26 : 17,247.74 = 8,020.91 : x
  2. Step 2: Convert to fraction form
    12,504.26/17,247.74 = 8,020.91/x
  3. Step 3: Cross multiply
    12,504.26x = 17,247.74 × 8,020.91
  4. Step 4: Simplify right side
    12,504.26x = 138,342,633.42
  5. Step 5: Solve for x
    x = 138,342,633.42/12,504.26
  6. Step 6: Final answer
    x = 11,063.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.