Home / 13,256.82-19,883.78-3,396.20

Finding the Fourth Proportional to 13,256.82, 19,883.78 and 3,396.20

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Solution

The fourth proportional to 13,256.82, 19,883.78 and 3,396.20 is: 5,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.82 : 19,883.78 = 3,396.20 : x
  2. Step 2: Convert to fraction form
    13,256.82/19,883.78 = 3,396.20/x
  3. Step 3: Cross multiply
    13,256.82x = 19,883.78 × 3,396.20
  4. Step 4: Simplify right side
    13,256.82x = 67,529,293.64
  5. Step 5: Solve for x
    x = 67,529,293.64/13,256.82
  6. Step 6: Final answer
    x = 5,093.93

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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.