Home / 11,984.43-16,539.21-6,679.38

Finding the Fourth Proportional to 11,984.43, 16,539.21 and 6,679.38

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Solution

The fourth proportional to 11,984.43, 16,539.21 and 6,679.38 is: 9,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.43 : 16,539.21 = 6,679.38 : x
  2. Step 2: Convert to fraction form
    11,984.43/16,539.21 = 6,679.38/x
  3. Step 3: Cross multiply
    11,984.43x = 16,539.21 × 6,679.38
  4. Step 4: Simplify right side
    11,984.43x = 110,471,668.49
  5. Step 5: Solve for x
    x = 110,471,668.49/11,984.43
  6. Step 6: Final answer
    x = 9,217.93

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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.