Home / 11,185.24-16,780.28-3,394.68

Finding the Fourth Proportional to 11,185.24, 16,780.28 and 3,394.68

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Solution

The fourth proportional to 11,185.24, 16,780.28 and 3,394.68 is: 5,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.24 : 16,780.28 = 3,394.68 : x
  2. Step 2: Convert to fraction form
    11,185.24/16,780.28 = 3,394.68/x
  3. Step 3: Cross multiply
    11,185.24x = 16,780.28 × 3,394.68
  4. Step 4: Simplify right side
    11,185.24x = 56,963,680.91
  5. Step 5: Solve for x
    x = 56,963,680.91/11,185.24
  6. Step 6: Final answer
    x = 5,092.75

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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.