Home / 21,974.48-30,324.81-11,902.94

Finding the Fourth Proportional to 21,974.48, 30,324.81 and 11,902.94

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Solution

The fourth proportional to 21,974.48, 30,324.81 and 11,902.94 is: 16,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.48 : 30,324.81 = 11,902.94 : x
  2. Step 2: Convert to fraction form
    21,974.48/30,324.81 = 11,902.94/x
  3. Step 3: Cross multiply
    21,974.48x = 30,324.81 × 11,902.94
  4. Step 4: Simplify right side
    21,974.48x = 360,954,393.94
  5. Step 5: Solve for x
    x = 360,954,393.94/21,974.48
  6. Step 6: Final answer
    x = 16,426.07

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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.