Home / 12,731.36-19,096.64-3,497.28

Finding the Fourth Proportional to 12,731.36, 19,096.64 and 3,497.28

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Solution

The fourth proportional to 12,731.36, 19,096.64 and 3,497.28 is: 5,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.36 : 19,096.64 = 3,497.28 : x
  2. Step 2: Convert to fraction form
    12,731.36/19,096.64 = 3,497.28/x
  3. Step 3: Cross multiply
    12,731.36x = 19,096.64 × 3,497.28
  4. Step 4: Simplify right side
    12,731.36x = 66,786,297.14
  5. Step 5: Solve for x
    x = 66,786,297.14/12,731.36
  6. Step 6: Final answer
    x = 5,245.81

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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.