Home / 10,214.09-15,321.15-3,194.14

Finding the Fourth Proportional to 10,214.09, 15,321.15 and 3,194.14

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Solution

The fourth proportional to 10,214.09, 15,321.15 and 3,194.14 is: 4,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.09 : 15,321.15 = 3,194.14 : x
  2. Step 2: Convert to fraction form
    10,214.09/15,321.15 = 3,194.14/x
  3. Step 3: Cross multiply
    10,214.09x = 15,321.15 × 3,194.14
  4. Step 4: Simplify right side
    10,214.09x = 48,937,882.50
  5. Step 5: Solve for x
    x = 48,937,882.50/10,214.09
  6. Step 6: Final answer
    x = 4,791.21

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Half scale
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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.