Home / 11,211.69-16,817.53-6,217.12

Finding the Fourth Proportional to 11,211.69, 16,817.53 and 6,217.12

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Solution

The fourth proportional to 11,211.69, 16,817.53 and 6,217.12 is: 9,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.69 : 16,817.53 = 6,217.12 : x
  2. Step 2: Convert to fraction form
    11,211.69/16,817.53 = 6,217.12/x
  3. Step 3: Cross multiply
    11,211.69x = 16,817.53 × 6,217.12
  4. Step 4: Simplify right side
    11,211.69x = 104,556,602.11
  5. Step 5: Solve for x
    x = 104,556,602.11/11,211.69
  6. Step 6: Final answer
    x = 9,325.68

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Double scale
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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.