Home / 11,214.10-16,821.14-3,316.71

Finding the Fourth Proportional to 11,214.10, 16,821.14 and 3,316.71

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Solution

The fourth proportional to 11,214.10, 16,821.14 and 3,316.71 is: 4,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.10 : 16,821.14 = 3,316.71 : x
  2. Step 2: Convert to fraction form
    11,214.10/16,821.14 = 3,316.71/x
  3. Step 3: Cross multiply
    11,214.10x = 16,821.14 × 3,316.71
  4. Step 4: Simplify right side
    11,214.10x = 55,790,889.75
  5. Step 5: Solve for x
    x = 55,790,889.75/11,214.10
  6. Step 6: Final answer
    x = 4,975.07

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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.