Home / 11,603.24-17,407.42-3,811.72

Finding the Fourth Proportional to 11,603.24, 17,407.42 and 3,811.72

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Solution

The fourth proportional to 11,603.24, 17,407.42 and 3,811.72 is: 5,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.24 : 17,407.42 = 3,811.72 : x
  2. Step 2: Convert to fraction form
    11,603.24/17,407.42 = 3,811.72/x
  3. Step 3: Cross multiply
    11,603.24x = 17,407.42 × 3,811.72
  4. Step 4: Simplify right side
    11,603.24x = 66,352,210.96
  5. Step 5: Solve for x
    x = 66,352,210.96/11,603.24
  6. Step 6: Final answer
    x = 5,718.42

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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.