Home / 19,724.35-27,219.76-11,227.13

Finding the Fourth Proportional to 19,724.35, 27,219.76 and 11,227.13

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Solution

The fourth proportional to 19,724.35, 27,219.76 and 11,227.13 is: 15,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.35 : 27,219.76 = 11,227.13 : x
  2. Step 2: Convert to fraction form
    19,724.35/27,219.76 = 11,227.13/x
  3. Step 3: Cross multiply
    19,724.35x = 27,219.76 × 11,227.13
  4. Step 4: Simplify right side
    19,724.35x = 305,599,784.09
  5. Step 5: Solve for x
    x = 305,599,784.09/19,724.35
  6. Step 6: Final answer
    x = 15,493.53

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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.