Home / 13,727.40-18,929.66-11,744.52

Finding the Fourth Proportional to 13,727.40, 18,929.66 and 11,744.52

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Solution

The fourth proportional to 13,727.40, 18,929.66 and 11,744.52 is: 16,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.40 : 18,929.66 = 11,744.52 : x
  2. Step 2: Convert to fraction form
    13,727.40/18,929.66 = 11,744.52/x
  3. Step 3: Cross multiply
    13,727.40x = 18,929.66 × 11,744.52
  4. Step 4: Simplify right side
    13,727.40x = 222,319,770.46
  5. Step 5: Solve for x
    x = 222,319,770.46/13,727.40
  6. Step 6: Final answer
    x = 16,195.33

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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.