Home / 11,413.91-17,118.58-4,018.66

Finding the Fourth Proportional to 11,413.91, 17,118.58 and 4,018.66

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Solution

The fourth proportional to 11,413.91, 17,118.58 and 4,018.66 is: 6,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.91 : 17,118.58 = 4,018.66 : x
  2. Step 2: Convert to fraction form
    11,413.91/17,118.58 = 4,018.66/x
  3. Step 3: Cross multiply
    11,413.91x = 17,118.58 × 4,018.66
  4. Step 4: Simplify right side
    11,413.91x = 68,793,667.11
  5. Step 5: Solve for x
    x = 68,793,667.11/11,413.91
  6. Step 6: Final answer
    x = 6,027.18

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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.