Home / 11,984.54-16,538.85-6,679.34

Finding the Fourth Proportional to 11,984.54, 16,538.85 and 6,679.34

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Solution

The fourth proportional to 11,984.54, 16,538.85 and 6,679.34 is: 9,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.54 : 16,538.85 = 6,679.34 : x
  2. Step 2: Convert to fraction form
    11,984.54/16,538.85 = 6,679.34/x
  3. Step 3: Cross multiply
    11,984.54x = 16,538.85 × 6,679.34
  4. Step 4: Simplify right side
    11,984.54x = 110,468,519.66
  5. Step 5: Solve for x
    x = 110,468,519.66/11,984.54
  6. Step 6: Final answer
    x = 9,217.59

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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.