Home / 9,439.71-14,147.45-3,896.94

Finding the Fourth Proportional to 9,439.71, 14,147.45 and 3,896.94

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Solution

The fourth proportional to 9,439.71, 14,147.45 and 3,896.94 is: 5,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.71 : 14,147.45 = 3,896.94 : x
  2. Step 2: Convert to fraction form
    9,439.71/14,147.45 = 3,896.94/x
  3. Step 3: Cross multiply
    9,439.71x = 14,147.45 × 3,896.94
  4. Step 4: Simplify right side
    9,439.71x = 55,131,811.98
  5. Step 5: Solve for x
    x = 55,131,811.98/9,439.71
  6. Step 6: Final answer
    x = 5,840.42

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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.