Home / 11,858.88-16,365.31-6,481.43

Finding the Fourth Proportional to 11,858.88, 16,365.31 and 6,481.43

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Solution

The fourth proportional to 11,858.88, 16,365.31 and 6,481.43 is: 8,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.88 : 16,365.31 = 6,481.43 : x
  2. Step 2: Convert to fraction form
    11,858.88/16,365.31 = 6,481.43/x
  3. Step 3: Cross multiply
    11,858.88x = 16,365.31 × 6,481.43
  4. Step 4: Simplify right side
    11,858.88x = 106,070,611.19
  5. Step 5: Solve for x
    x = 106,070,611.19/11,858.88
  6. Step 6: Final answer
    x = 8,944.40

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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.