Home / 13,151.82-19,733.50-6,910.38

Finding the Fourth Proportional to 13,151.82, 19,733.50 and 6,910.38

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Solution

The fourth proportional to 13,151.82, 19,733.50 and 6,910.38 is: 10,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.82 : 19,733.50 = 6,910.38 : x
  2. Step 2: Convert to fraction form
    13,151.82/19,733.50 = 6,910.38/x
  3. Step 3: Cross multiply
    13,151.82x = 19,733.50 × 6,910.38
  4. Step 4: Simplify right side
    13,151.82x = 136,365,983.73
  5. Step 5: Solve for x
    x = 136,365,983.73/13,151.82
  6. Step 6: Final answer
    x = 10,368.60

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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.