Home / 13,850.82-20,746.80-12,859.38

Finding the Fourth Proportional to 13,850.82, 20,746.80 and 12,859.38

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Solution

The fourth proportional to 13,850.82, 20,746.80 and 12,859.38 is: 19,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.82 : 20,746.80 = 12,859.38 : x
  2. Step 2: Convert to fraction form
    13,850.82/20,746.80 = 12,859.38/x
  3. Step 3: Cross multiply
    13,850.82x = 20,746.80 × 12,859.38
  4. Step 4: Simplify right side
    13,850.82x = 266,790,984.98
  5. Step 5: Solve for x
    x = 266,790,984.98/13,850.82
  6. Step 6: Final answer
    x = 19,261.75

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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.