Home / 9,485.43-14,230.31-2,912.55

Finding the Fourth Proportional to 9,485.43, 14,230.31 and 2,912.55

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Solution

The fourth proportional to 9,485.43, 14,230.31 and 2,912.55 is: 4,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.43 : 14,230.31 = 2,912.55 : x
  2. Step 2: Convert to fraction form
    9,485.43/14,230.31 = 2,912.55/x
  3. Step 3: Cross multiply
    9,485.43x = 14,230.31 × 2,912.55
  4. Step 4: Simplify right side
    9,485.43x = 41,446,474.83
  5. Step 5: Solve for x
    x = 41,446,474.83/9,485.43
  6. Step 6: Final answer
    x = 4,369.49

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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.