Home / 13,727.52-18,929.84-11,744.64

Finding the Fourth Proportional to 13,727.52, 18,929.84 and 11,744.64

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Solution

The fourth proportional to 13,727.52, 18,929.84 and 11,744.64 is: 16,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.52 : 18,929.84 = 11,744.64 : x
  2. Step 2: Convert to fraction form
    13,727.52/18,929.84 = 11,744.64/x
  3. Step 3: Cross multiply
    13,727.52x = 18,929.84 × 11,744.64
  4. Step 4: Simplify right side
    13,727.52x = 222,324,097.33
  5. Step 5: Solve for x
    x = 222,324,097.33/13,727.52
  6. Step 6: Final answer
    x = 16,195.50

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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.