Home / 12,796.36-17,531.11-12,316.97

Finding the Fourth Proportional to 12,796.36, 17,531.11 and 12,316.97

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Solution

The fourth proportional to 12,796.36, 17,531.11 and 12,316.97 is: 16,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.36 : 17,531.11 = 12,316.97 : x
  2. Step 2: Convert to fraction form
    12,796.36/17,531.11 = 12,316.97/x
  3. Step 3: Cross multiply
    12,796.36x = 17,531.11 × 12,316.97
  4. Step 4: Simplify right side
    12,796.36x = 215,930,215.16
  5. Step 5: Solve for x
    x = 215,930,215.16/12,796.36
  6. Step 6: Final answer
    x = 16,874.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.