Home / 11,261.35-16,892.88-3,865.75

Finding the Fourth Proportional to 11,261.35, 16,892.88 and 3,865.75

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Solution

The fourth proportional to 11,261.35, 16,892.88 and 3,865.75 is: 5,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.35 : 16,892.88 = 3,865.75 : x
  2. Step 2: Convert to fraction form
    11,261.35/16,892.88 = 3,865.75/x
  3. Step 3: Cross multiply
    11,261.35x = 16,892.88 × 3,865.75
  4. Step 4: Simplify right side
    11,261.35x = 65,303,650.86
  5. Step 5: Solve for x
    x = 65,303,650.86/11,261.35
  6. Step 6: Final answer
    x = 5,798.92

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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.