Home / 10,825.38-16,240.95-3,429.99

Finding the Fourth Proportional to 10,825.38, 16,240.95 and 3,429.99

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Solution

The fourth proportional to 10,825.38, 16,240.95 and 3,429.99 is: 5,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.38 : 16,240.95 = 3,429.99 : x
  2. Step 2: Convert to fraction form
    10,825.38/16,240.95 = 3,429.99/x
  3. Step 3: Cross multiply
    10,825.38x = 16,240.95 × 3,429.99
  4. Step 4: Simplify right side
    10,825.38x = 55,706,296.09
  5. Step 5: Solve for x
    x = 55,706,296.09/10,825.38
  6. Step 6: Final answer
    x = 5,145.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.