Home / 9,310.23-13,971.42-8,559.36

Finding the Fourth Proportional to 9,310.23, 13,971.42 and 8,559.36

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Solution

The fourth proportional to 9,310.23, 13,971.42 and 8,559.36 is: 12,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.23 : 13,971.42 = 8,559.36 : x
  2. Step 2: Convert to fraction form
    9,310.23/13,971.42 = 8,559.36/x
  3. Step 3: Cross multiply
    9,310.23x = 13,971.42 × 8,559.36
  4. Step 4: Simplify right side
    9,310.23x = 119,586,413.49
  5. Step 5: Solve for x
    x = 119,586,413.49/9,310.23
  6. Step 6: Final answer
    x = 12,844.63

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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.