Home / 8,456.88-11,673.77-7,571.15

Finding the Fourth Proportional to 8,456.88, 11,673.77 and 7,571.15

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Solution

The fourth proportional to 8,456.88, 11,673.77 and 7,571.15 is: 10,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.88 : 11,673.77 = 7,571.15 : x
  2. Step 2: Convert to fraction form
    8,456.88/11,673.77 = 7,571.15/x
  3. Step 3: Cross multiply
    8,456.88x = 11,673.77 × 7,571.15
  4. Step 4: Simplify right side
    8,456.88x = 88,383,767.51
  5. Step 5: Solve for x
    x = 88,383,767.51/8,456.88
  6. Step 6: Final answer
    x = 10,451.11

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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.