Home / 12,954.97-19,431.24-4,195.63

Finding the Fourth Proportional to 12,954.97, 19,431.24 and 4,195.63

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Solution

The fourth proportional to 12,954.97, 19,431.24 and 4,195.63 is: 6,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.97 : 19,431.24 = 4,195.63 : x
  2. Step 2: Convert to fraction form
    12,954.97/19,431.24 = 4,195.63/x
  3. Step 3: Cross multiply
    12,954.97x = 19,431.24 × 4,195.63
  4. Step 4: Simplify right side
    12,954.97x = 81,526,293.48
  5. Step 5: Solve for x
    x = 81,526,293.48/12,954.97
  6. Step 6: Final answer
    x = 6,293.05

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Double scale
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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.