Home / 11,410.36-17,115.81-3,619.24

Finding the Fourth Proportional to 11,410.36, 17,115.81 and 3,619.24

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Solution

The fourth proportional to 11,410.36, 17,115.81 and 3,619.24 is: 5,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.36 : 17,115.81 = 3,619.24 : x
  2. Step 2: Convert to fraction form
    11,410.36/17,115.81 = 3,619.24/x
  3. Step 3: Cross multiply
    11,410.36x = 17,115.81 × 3,619.24
  4. Step 4: Simplify right side
    11,410.36x = 61,946,224.18
  5. Step 5: Solve for x
    x = 61,946,224.18/11,410.36
  6. Step 6: Final answer
    x = 5,428.95

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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.