Home / 21,936.41-32,910.99-7,896.19

Finding the Fourth Proportional to 21,936.41, 32,910.99 and 7,896.19

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Solution

The fourth proportional to 21,936.41, 32,910.99 and 7,896.19 is: 11,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.41 : 32,910.99 = 7,896.19 : x
  2. Step 2: Convert to fraction form
    21,936.41/32,910.99 = 7,896.19/x
  3. Step 3: Cross multiply
    21,936.41x = 32,910.99 × 7,896.19
  4. Step 4: Simplify right side
    21,936.41x = 259,871,430.13
  5. Step 5: Solve for x
    x = 259,871,430.13/21,936.41
  6. Step 6: Final answer
    x = 11,846.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.