Home / 9,175.12-12,660.80-5,195.46

Finding the Fourth Proportional to 9,175.12, 12,660.80 and 5,195.46

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Solution

The fourth proportional to 9,175.12, 12,660.80 and 5,195.46 is: 7,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.12 : 12,660.80 = 5,195.46 : x
  2. Step 2: Convert to fraction form
    9,175.12/12,660.80 = 5,195.46/x
  3. Step 3: Cross multiply
    9,175.12x = 12,660.80 × 5,195.46
  4. Step 4: Simplify right side
    9,175.12x = 65,778,679.97
  5. Step 5: Solve for x
    x = 65,778,679.97/9,175.12
  6. Step 6: Final answer
    x = 7,169.24

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