Home / 11,913.62-16,440.71-6,608.43

Finding the Fourth Proportional to 11,913.62, 16,440.71 and 6,608.43

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Solution

The fourth proportional to 11,913.62, 16,440.71 and 6,608.43 is: 9,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.62 : 16,440.71 = 6,608.43 : x
  2. Step 2: Convert to fraction form
    11,913.62/16,440.71 = 6,608.43/x
  3. Step 3: Cross multiply
    11,913.62x = 16,440.71 × 6,608.43
  4. Step 4: Simplify right side
    11,913.62x = 108,647,248.14
  5. Step 5: Solve for x
    x = 108,647,248.14/11,913.62
  6. Step 6: Final answer
    x = 9,119.59

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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.