Home / 10,978.26-15,149.94-6,504.23

Finding the Fourth Proportional to 10,978.26, 15,149.94 and 6,504.23

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Solution

The fourth proportional to 10,978.26, 15,149.94 and 6,504.23 is: 8,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978.26 : 15,149.94 = 6,504.23 : x
  2. Step 2: Convert to fraction form
    10,978.26/15,149.94 = 6,504.23/x
  3. Step 3: Cross multiply
    10,978.26x = 15,149.94 × 6,504.23
  4. Step 4: Simplify right side
    10,978.26x = 98,538,618.50
  5. Step 5: Solve for x
    x = 98,538,618.50/10,978.26
  6. Step 6: Final answer
    x = 8,975.80

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