Home / 11,984.41-16,538.32-6,679.21

Finding the Fourth Proportional to 11,984.41, 16,538.32 and 6,679.21

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Solution

The fourth proportional to 11,984.41, 16,538.32 and 6,679.21 is: 9,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.41 : 16,538.32 = 6,679.21 : x
  2. Step 2: Convert to fraction form
    11,984.41/16,538.32 = 6,679.21/x
  3. Step 3: Cross multiply
    11,984.41x = 16,538.32 × 6,679.21
  4. Step 4: Simplify right side
    11,984.41x = 110,462,912.33
  5. Step 5: Solve for x
    x = 110,462,912.33/11,984.41
  6. Step 6: Final answer
    x = 9,217.22

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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.