Home / 16,936.38-25,410.14-7,078.47

Finding the Fourth Proportional to 16,936.38, 25,410.14 and 7,078.47

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Solution

The fourth proportional to 16,936.38, 25,410.14 and 7,078.47 is: 10,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.38 : 25,410.14 = 7,078.47 : x
  2. Step 2: Convert to fraction form
    16,936.38/25,410.14 = 7,078.47/x
  3. Step 3: Cross multiply
    16,936.38x = 25,410.14 × 7,078.47
  4. Step 4: Simplify right side
    16,936.38x = 179,864,878.29
  5. Step 5: Solve for x
    x = 179,864,878.29/16,936.38
  6. Step 6: Final answer
    x = 10,620.03

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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.