Home / 11,000.25-15,174.14-6,519.60

Finding the Fourth Proportional to 11,000.25, 15,174.14 and 6,519.60

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Solution

The fourth proportional to 11,000.25, 15,174.14 and 6,519.60 is: 8,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.25 : 15,174.14 = 6,519.60 : x
  2. Step 2: Convert to fraction form
    11,000.25/15,174.14 = 6,519.60/x
  3. Step 3: Cross multiply
    11,000.25x = 15,174.14 × 6,519.60
  4. Step 4: Simplify right side
    11,000.25x = 98,929,290.55
  5. Step 5: Solve for x
    x = 98,929,290.55/11,000.25
  6. Step 6: Final answer
    x = 8,993.37

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1.5x scale

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.