Home / 11,786.85-17,680.28-3,021.84

Finding the Fourth Proportional to 11,786.85, 17,680.28 and 3,021.84

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Solution

The fourth proportional to 11,786.85, 17,680.28 and 3,021.84 is: 4,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.85 : 17,680.28 = 3,021.84 : x
  2. Step 2: Convert to fraction form
    11,786.85/17,680.28 = 3,021.84/x
  3. Step 3: Cross multiply
    11,786.85x = 17,680.28 × 3,021.84
  4. Step 4: Simplify right side
    11,786.85x = 53,426,962.21
  5. Step 5: Solve for x
    x = 53,426,962.21/11,786.85
  6. Step 6: Final answer
    x = 4,532.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.