Home / 12,613.08-17,408.10-7,310.97

Finding the Fourth Proportional to 12,613.08, 17,408.10 and 7,310.97

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Solution

The fourth proportional to 12,613.08, 17,408.10 and 7,310.97 is: 10,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.08 : 17,408.10 = 7,310.97 : x
  2. Step 2: Convert to fraction form
    12,613.08/17,408.10 = 7,310.97/x
  3. Step 3: Cross multiply
    12,613.08x = 17,408.10 × 7,310.97
  4. Step 4: Simplify right side
    12,613.08x = 127,270,083.15
  5. Step 5: Solve for x
    x = 127,270,083.15/12,613.08
  6. Step 6: Final answer
    x = 10,090.33

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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.