Home / 17,090.80-25,636.26-8,318.20

Finding the Fourth Proportional to 17,090.80, 25,636.26 and 8,318.20

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Solution

The fourth proportional to 17,090.80, 25,636.26 and 8,318.20 is: 12,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.80 : 25,636.26 = 8,318.20 : x
  2. Step 2: Convert to fraction form
    17,090.80/25,636.26 = 8,318.20/x
  3. Step 3: Cross multiply
    17,090.80x = 25,636.26 × 8,318.20
  4. Step 4: Simplify right side
    17,090.80x = 213,247,537.93
  5. Step 5: Solve for x
    x = 213,247,537.93/17,090.80
  6. Step 6: Final answer
    x = 12,477.33

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Similar ratio
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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.