Home / 11,964.72-16,511.07-6,929.85

Finding the Fourth Proportional to 11,964.72, 16,511.07 and 6,929.85

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Solution

The fourth proportional to 11,964.72, 16,511.07 and 6,929.85 is: 9,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.72 : 16,511.07 = 6,929.85 : x
  2. Step 2: Convert to fraction form
    11,964.72/16,511.07 = 6,929.85/x
  3. Step 3: Cross multiply
    11,964.72x = 16,511.07 × 6,929.85
  4. Step 4: Simplify right side
    11,964.72x = 114,419,238.44
  5. Step 5: Solve for x
    x = 114,419,238.44/11,964.72
  6. Step 6: Final answer
    x = 9,563.05

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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.