Home / 19,723.68-27,217.92-11,224.68

Finding the Fourth Proportional to 19,723.68, 27,217.92 and 11,224.68

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Solution

The fourth proportional to 19,723.68, 27,217.92 and 11,224.68 is: 15,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.68 : 27,217.92 = 11,224.68 : x
  2. Step 2: Convert to fraction form
    19,723.68/27,217.92 = 11,224.68/x
  3. Step 3: Cross multiply
    19,723.68x = 27,217.92 × 11,224.68
  4. Step 4: Simplify right side
    19,723.68x = 305,512,442.27
  5. Step 5: Solve for x
    x = 305,512,442.27/19,723.68
  6. Step 6: Final answer
    x = 15,489.63

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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.