Home / 11,964.72-16,512.21-6,930.30

Finding the Fourth Proportional to 11,964.72, 16,512.21 and 6,930.30

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Solution

The fourth proportional to 11,964.72, 16,512.21 and 6,930.30 is: 9,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.72 : 16,512.21 = 6,930.30 : x
  2. Step 2: Convert to fraction form
    11,964.72/16,512.21 = 6,930.30/x
  3. Step 3: Cross multiply
    11,964.72x = 16,512.21 × 6,930.30
  4. Step 4: Simplify right side
    11,964.72x = 114,434,568.96
  5. Step 5: Solve for x
    x = 114,434,568.96/11,964.72
  6. Step 6: Final answer
    x = 9,564.33

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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.