Home / 8,717.06-13,074.21-7,245.73

Finding the Fourth Proportional to 8,717.06, 13,074.21 and 7,245.73

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Solution

The fourth proportional to 8,717.06, 13,074.21 and 7,245.73 is: 10,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.06 : 13,074.21 = 7,245.73 : x
  2. Step 2: Convert to fraction form
    8,717.06/13,074.21 = 7,245.73/x
  3. Step 3: Cross multiply
    8,717.06x = 13,074.21 × 7,245.73
  4. Step 4: Simplify right side
    8,717.06x = 94,732,195.62
  5. Step 5: Solve for x
    x = 94,732,195.62/8,717.06
  6. Step 6: Final answer
    x = 10,867.45

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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.