Home / 21,713.67-32,571.14-6,131.30

Finding the Fourth Proportional to 21,713.67, 32,571.14 and 6,131.30

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Solution

The fourth proportional to 21,713.67, 32,571.14 and 6,131.30 is: 9,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.67 : 32,571.14 = 6,131.30 : x
  2. Step 2: Convert to fraction form
    21,713.67/32,571.14 = 6,131.30/x
  3. Step 3: Cross multiply
    21,713.67x = 32,571.14 × 6,131.30
  4. Step 4: Simplify right side
    21,713.67x = 199,703,237.17
  5. Step 5: Solve for x
    x = 199,703,237.17/21,713.67
  6. Step 6: Final answer
    x = 9,197.12

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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.