Home / 21,224.13-29,288.48-11,793.30

Finding the Fourth Proportional to 21,224.13, 29,288.48 and 11,793.30

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Solution

The fourth proportional to 21,224.13, 29,288.48 and 11,793.30 is: 16,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.13 : 29,288.48 = 11,793.30 : x
  2. Step 2: Convert to fraction form
    21,224.13/29,288.48 = 11,793.30/x
  3. Step 3: Cross multiply
    21,224.13x = 29,288.48 × 11,793.30
  4. Step 4: Simplify right side
    21,224.13x = 345,407,772.22
  5. Step 5: Solve for x
    x = 345,407,772.22/21,224.13
  6. Step 6: Final answer
    x = 16,274.30

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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.