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Finding the Fourth Proportional to 8,943.10, 13,413.12 and 2,369.94

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Solution

The fourth proportional to 8,943.10, 13,413.12 and 2,369.94 is: 3,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.10 : 13,413.12 = 2,369.94 : x
  2. Step 2: Convert to fraction form
    8,943.10/13,413.12 = 2,369.94/x
  3. Step 3: Cross multiply
    8,943.10x = 13,413.12 × 2,369.94
  4. Step 4: Simplify right side
    8,943.10x = 31,788,289.61
  5. Step 5: Solve for x
    x = 31,788,289.61/8,943.10
  6. Step 6: Final answer
    x = 3,554.50

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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.