Home / 9,411.94-14,120.08-3,171.80

Finding the Fourth Proportional to 9,411.94, 14,120.08 and 3,171.80

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Solution

The fourth proportional to 9,411.94, 14,120.08 and 3,171.80 is: 4,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411.94 : 14,120.08 = 3,171.80 : x
  2. Step 2: Convert to fraction form
    9,411.94/14,120.08 = 3,171.80/x
  3. Step 3: Cross multiply
    9,411.94x = 14,120.08 × 3,171.80
  4. Step 4: Simplify right side
    9,411.94x = 44,786,069.74
  5. Step 5: Solve for x
    x = 44,786,069.74/9,411.94
  6. Step 6: Final answer
    x = 4,758.43

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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.