Home / 13,891.09-19,166.73-8,227.61

Finding the Fourth Proportional to 13,891.09, 19,166.73 and 8,227.61

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Solution

The fourth proportional to 13,891.09, 19,166.73 and 8,227.61 is: 11,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.09 : 19,166.73 = 8,227.61 : x
  2. Step 2: Convert to fraction form
    13,891.09/19,166.73 = 8,227.61/x
  3. Step 3: Cross multiply
    13,891.09x = 19,166.73 × 8,227.61
  4. Step 4: Simplify right side
    13,891.09x = 157,696,379.42
  5. Step 5: Solve for x
    x = 157,696,379.42/13,891.09
  6. Step 6: Final answer
    x = 11,352.34

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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.