Home / 11,656.44-16,087.32-6,622.56

Finding the Fourth Proportional to 11,656.44, 16,087.32 and 6,622.56

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Solution

The fourth proportional to 11,656.44, 16,087.32 and 6,622.56 is: 9,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.44 : 16,087.32 = 6,622.56 : x
  2. Step 2: Convert to fraction form
    11,656.44/16,087.32 = 6,622.56/x
  3. Step 3: Cross multiply
    11,656.44x = 16,087.32 × 6,622.56
  4. Step 4: Simplify right side
    11,656.44x = 106,539,241.94
  5. Step 5: Solve for x
    x = 106,539,241.94/11,656.44
  6. Step 6: Final answer
    x = 9,139.95

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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.