Home / 19,727.59-27,222.97-11,231.79

Finding the Fourth Proportional to 19,727.59, 27,222.97 and 11,231.79

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Solution

The fourth proportional to 19,727.59, 27,222.97 and 11,231.79 is: 15,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.59 : 27,222.97 = 11,231.79 : x
  2. Step 2: Convert to fraction form
    19,727.59/27,222.97 = 11,231.79/x
  3. Step 3: Cross multiply
    19,727.59x = 27,222.97 × 11,231.79
  4. Step 4: Simplify right side
    19,727.59x = 305,762,682.22
  5. Step 5: Solve for x
    x = 305,762,682.22/19,727.59
  6. Step 6: Final answer
    x = 15,499.24

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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.