Home / 8,360.12-11,532.24-7,514.48

Finding the Fourth Proportional to 8,360.12, 11,532.24 and 7,514.48

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Solution

The fourth proportional to 8,360.12, 11,532.24 and 7,514.48 is: 10,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.12 : 11,532.24 = 7,514.48 : x
  2. Step 2: Convert to fraction form
    8,360.12/11,532.24 = 7,514.48/x
  3. Step 3: Cross multiply
    8,360.12x = 11,532.24 × 7,514.48
  4. Step 4: Simplify right side
    8,360.12x = 86,658,786.84
  5. Step 5: Solve for x
    x = 86,658,786.84/8,360.12
  6. Step 6: Final answer
    x = 10,365.73

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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.