Home / 21,224.89-29,291.12-11,793.25

Finding the Fourth Proportional to 21,224.89, 29,291.12 and 11,793.25

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Solution

The fourth proportional to 21,224.89, 29,291.12 and 11,793.25 is: 16,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.89 : 29,291.12 = 11,793.25 : x
  2. Step 2: Convert to fraction form
    21,224.89/29,291.12 = 11,793.25/x
  3. Step 3: Cross multiply
    21,224.89x = 29,291.12 × 11,793.25
  4. Step 4: Simplify right side
    21,224.89x = 345,437,441.97
  5. Step 5: Solve for x
    x = 345,437,441.97/21,224.89
  6. Step 6: Final answer
    x = 16,275.11

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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.