Home / 11,966.78-16,512.96-6,932.62

Finding the Fourth Proportional to 11,966.78, 16,512.96 and 6,932.62

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Solution

The fourth proportional to 11,966.78, 16,512.96 and 6,932.62 is: 9,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.78 : 16,512.96 = 6,932.62 : x
  2. Step 2: Convert to fraction form
    11,966.78/16,512.96 = 6,932.62/x
  3. Step 3: Cross multiply
    11,966.78x = 16,512.96 × 6,932.62
  4. Step 4: Simplify right side
    11,966.78x = 114,478,018.14
  5. Step 5: Solve for x
    x = 114,478,018.14/11,966.78
  6. Step 6: Final answer
    x = 9,566.32

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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.