Home / 13,941.82-19,233.21-8,634.70

Finding the Fourth Proportional to 13,941.82, 19,233.21 and 8,634.70

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Solution

The fourth proportional to 13,941.82, 19,233.21 and 8,634.70 is: 11,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.82 : 19,233.21 = 8,634.70 : x
  2. Step 2: Convert to fraction form
    13,941.82/19,233.21 = 8,634.70/x
  3. Step 3: Cross multiply
    13,941.82x = 19,233.21 × 8,634.70
  4. Step 4: Simplify right side
    13,941.82x = 166,072,998.39
  5. Step 5: Solve for x
    x = 166,072,998.39/13,941.82
  6. Step 6: Final answer
    x = 11,911.86

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1.5x scale

Why These Related Problems?

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