Home / 9,415.04-14,121.19-3,571.64

Finding the Fourth Proportional to 9,415.04, 14,121.19 and 3,571.64

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Solution

The fourth proportional to 9,415.04, 14,121.19 and 3,571.64 is: 5,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.04 : 14,121.19 = 3,571.64 : x
  2. Step 2: Convert to fraction form
    9,415.04/14,121.19 = 3,571.64/x
  3. Step 3: Cross multiply
    9,415.04x = 14,121.19 × 3,571.64
  4. Step 4: Simplify right side
    9,415.04x = 50,435,853.21
  5. Step 5: Solve for x
    x = 50,435,853.21/9,415.04
  6. Step 6: Final answer
    x = 5,356.95

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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.