Home / 11,945.12-17,893.04-6,999.75

Finding the Fourth Proportional to 11,945.12, 17,893.04 and 6,999.75

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Solution

The fourth proportional to 11,945.12, 17,893.04 and 6,999.75 is: 10,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.12 : 17,893.04 = 6,999.75 : x
  2. Step 2: Convert to fraction form
    11,945.12/17,893.04 = 6,999.75/x
  3. Step 3: Cross multiply
    11,945.12x = 17,893.04 × 6,999.75
  4. Step 4: Simplify right side
    11,945.12x = 125,246,771.74
  5. Step 5: Solve for x
    x = 125,246,771.74/11,945.12
  6. Step 6: Final answer
    x = 10,485.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.