Home / 10,784.14-16,176.20-3,389.24

Finding the Fourth Proportional to 10,784.14, 16,176.20 and 3,389.24

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Solution

The fourth proportional to 10,784.14, 16,176.20 and 3,389.24 is: 5,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.14 : 16,176.20 = 3,389.24 : x
  2. Step 2: Convert to fraction form
    10,784.14/16,176.20 = 3,389.24/x
  3. Step 3: Cross multiply
    10,784.14x = 16,176.20 × 3,389.24
  4. Step 4: Simplify right side
    10,784.14x = 54,825,047.58
  5. Step 5: Solve for x
    x = 54,825,047.58/10,784.14
  6. Step 6: Final answer
    x = 5,083.86

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Similar ratio
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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.