Home / 11,945.75-16,485.66-6,910.18

Finding the Fourth Proportional to 11,945.75, 16,485.66 and 6,910.18

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Solution

The fourth proportional to 11,945.75, 16,485.66 and 6,910.18 is: 9,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.75 : 16,485.66 = 6,910.18 : x
  2. Step 2: Convert to fraction form
    11,945.75/16,485.66 = 6,910.18/x
  3. Step 3: Cross multiply
    11,945.75x = 16,485.66 × 6,910.18
  4. Step 4: Simplify right side
    11,945.75x = 113,918,836.80
  5. Step 5: Solve for x
    x = 113,918,836.80/11,945.75
  6. Step 6: Final answer
    x = 9,536.35

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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.