Home / 10,867.26-14,999.18-6,619.73

Finding the Fourth Proportional to 10,867.26, 14,999.18 and 6,619.73

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Solution

The fourth proportional to 10,867.26, 14,999.18 and 6,619.73 is: 9,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.26 : 14,999.18 = 6,619.73 : x
  2. Step 2: Convert to fraction form
    10,867.26/14,999.18 = 6,619.73/x
  3. Step 3: Cross multiply
    10,867.26x = 14,999.18 × 6,619.73
  4. Step 4: Simplify right side
    10,867.26x = 99,290,413.73
  5. Step 5: Solve for x
    x = 99,290,413.73/10,867.26
  6. Step 6: Final answer
    x = 9,136.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.