Home / 11,914.75-16,442.37-6,610.39

Finding the Fourth Proportional to 11,914.75, 16,442.37 and 6,610.39

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Solution

The fourth proportional to 11,914.75, 16,442.37 and 6,610.39 is: 9,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.75 : 16,442.37 = 6,610.39 : x
  2. Step 2: Convert to fraction form
    11,914.75/16,442.37 = 6,610.39/x
  3. Step 3: Cross multiply
    11,914.75x = 16,442.37 × 6,610.39
  4. Step 4: Simplify right side
    11,914.75x = 108,690,478.22
  5. Step 5: Solve for x
    x = 108,690,478.22/11,914.75
  6. Step 6: Final answer
    x = 9,122.35

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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.