Home / 9,236.97-12,739.82-8,175.87

Finding the Fourth Proportional to 9,236.97, 12,739.82 and 8,175.87

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Solution

The fourth proportional to 9,236.97, 12,739.82 and 8,175.87 is: 11,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.97 : 12,739.82 = 8,175.87 : x
  2. Step 2: Convert to fraction form
    9,236.97/12,739.82 = 8,175.87/x
  3. Step 3: Cross multiply
    9,236.97x = 12,739.82 × 8,175.87
  4. Step 4: Simplify right side
    9,236.97x = 104,159,071.26
  5. Step 5: Solve for x
    x = 104,159,071.26/9,236.97
  6. Step 6: Final answer
    x = 11,276.32

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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.