Home / 7,917.24-11,866.14-6,945.24

Finding the Fourth Proportional to 7,917.24, 11,866.14 and 6,945.24

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Solution

The fourth proportional to 7,917.24, 11,866.14 and 6,945.24 is: 10,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.24 : 11,866.14 = 6,945.24 : x
  2. Step 2: Convert to fraction form
    7,917.24/11,866.14 = 6,945.24/x
  3. Step 3: Cross multiply
    7,917.24x = 11,866.14 × 6,945.24
  4. Step 4: Simplify right side
    7,917.24x = 82,413,190.17
  5. Step 5: Solve for x
    x = 82,413,190.17/7,917.24
  6. Step 6: Final answer
    x = 10,409.33

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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.