Home / 21,232.38-29,301.66-11,800.38

Finding the Fourth Proportional to 21,232.38, 29,301.66 and 11,800.38

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Solution

The fourth proportional to 21,232.38, 29,301.66 and 11,800.38 is: 16,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.38 : 29,301.66 = 11,800.38 : x
  2. Step 2: Convert to fraction form
    21,232.38/29,301.66 = 11,800.38/x
  3. Step 3: Cross multiply
    21,232.38x = 29,301.66 × 11,800.38
  4. Step 4: Simplify right side
    21,232.38x = 345,770,722.63
  5. Step 5: Solve for x
    x = 345,770,722.63/21,232.38
  6. Step 6: Final answer
    x = 16,285.07

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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.