Home / 9,142.67-13,713.99-3,299.27

Finding the Fourth Proportional to 9,142.67, 13,713.99 and 3,299.27

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Solution

The fourth proportional to 9,142.67, 13,713.99 and 3,299.27 is: 4,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.67 : 13,713.99 = 3,299.27 : x
  2. Step 2: Convert to fraction form
    9,142.67/13,713.99 = 3,299.27/x
  3. Step 3: Cross multiply
    9,142.67x = 13,713.99 × 3,299.27
  4. Step 4: Simplify right side
    9,142.67x = 45,246,087.22
  5. Step 5: Solve for x
    x = 45,246,087.22/9,142.67
  6. Step 6: Final answer
    x = 4,948.89

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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.