Home / 8,950.16-13,431.36-3,106.73

Finding the Fourth Proportional to 8,950.16, 13,431.36 and 3,106.73

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Solution

The fourth proportional to 8,950.16, 13,431.36 and 3,106.73 is: 4,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.16 : 13,431.36 = 3,106.73 : x
  2. Step 2: Convert to fraction form
    8,950.16/13,431.36 = 3,106.73/x
  3. Step 3: Cross multiply
    8,950.16x = 13,431.36 × 3,106.73
  4. Step 4: Simplify right side
    8,950.16x = 41,727,609.05
  5. Step 5: Solve for x
    x = 41,727,609.05/8,950.16
  6. Step 6: Final answer
    x = 4,662.22

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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.