Home / 15,563.36-23,331.99-6,791.60

Finding the Fourth Proportional to 15,563.36, 23,331.99 and 6,791.60

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Solution

The fourth proportional to 15,563.36, 23,331.99 and 6,791.60 is: 10,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.36 : 23,331.99 = 6,791.60 : x
  2. Step 2: Convert to fraction form
    15,563.36/23,331.99 = 6,791.60/x
  3. Step 3: Cross multiply
    15,563.36x = 23,331.99 × 6,791.60
  4. Step 4: Simplify right side
    15,563.36x = 158,461,543.28
  5. Step 5: Solve for x
    x = 158,461,543.28/15,563.36
  6. Step 6: Final answer
    x = 10,181.71

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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.