Home / 11,858.90-16,365.57-6,481.55

Finding the Fourth Proportional to 11,858.90, 16,365.57 and 6,481.55

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Solution

The fourth proportional to 11,858.90, 16,365.57 and 6,481.55 is: 8,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.90 : 16,365.57 = 6,481.55 : x
  2. Step 2: Convert to fraction form
    11,858.90/16,365.57 = 6,481.55/x
  3. Step 3: Cross multiply
    11,858.90x = 16,365.57 × 6,481.55
  4. Step 4: Simplify right side
    11,858.90x = 106,074,260.23
  5. Step 5: Solve for x
    x = 106,074,260.23/11,858.90
  6. Step 6: Final answer
    x = 8,944.70

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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.