Home / 21,096.09-29,110.86-11,664.63

Finding the Fourth Proportional to 21,096.09, 29,110.86 and 11,664.63

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Solution

The fourth proportional to 21,096.09, 29,110.86 and 11,664.63 is: 16,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.09 : 29,110.86 = 11,664.63 : x
  2. Step 2: Convert to fraction form
    21,096.09/29,110.86 = 11,664.63/x
  3. Step 3: Cross multiply
    21,096.09x = 29,110.86 × 11,664.63
  4. Step 4: Simplify right side
    21,096.09x = 339,567,410.88
  5. Step 5: Solve for x
    x = 339,567,410.88/21,096.09
  6. Step 6: Final answer
    x = 16,096.22

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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.