Home / 13,106.07-19,660.32-3,745.98

Finding the Fourth Proportional to 13,106.07, 19,660.32 and 3,745.98

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Solution

The fourth proportional to 13,106.07, 19,660.32 and 3,745.98 is: 5,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.07 : 19,660.32 = 3,745.98 : x
  2. Step 2: Convert to fraction form
    13,106.07/19,660.32 = 3,745.98/x
  3. Step 3: Cross multiply
    13,106.07x = 19,660.32 × 3,745.98
  4. Step 4: Simplify right side
    13,106.07x = 73,647,165.51
  5. Step 5: Solve for x
    x = 73,647,165.51/13,106.07
  6. Step 6: Final answer
    x = 5,619.32

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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.