Home / 21,201.44-29,256.50-11,769.26

Finding the Fourth Proportional to 21,201.44, 29,256.50 and 11,769.26

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Solution

The fourth proportional to 21,201.44, 29,256.50 and 11,769.26 is: 16,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,201.44 : 29,256.50 = 11,769.26 : x
  2. Step 2: Convert to fraction form
    21,201.44/29,256.50 = 11,769.26/x
  3. Step 3: Cross multiply
    21,201.44x = 29,256.50 × 11,769.26
  4. Step 4: Simplify right side
    21,201.44x = 344,327,355.19
  5. Step 5: Solve for x
    x = 344,327,355.19/21,201.44
  6. Step 6: Final answer
    x = 16,240.75

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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.