Home / 11,880.21-16,396.41-6,843.45

Finding the Fourth Proportional to 11,880.21, 16,396.41 and 6,843.45

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Solution

The fourth proportional to 11,880.21, 16,396.41 and 6,843.45 is: 9,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.21 : 16,396.41 = 6,843.45 : x
  2. Step 2: Convert to fraction form
    11,880.21/16,396.41 = 6,843.45/x
  3. Step 3: Cross multiply
    11,880.21x = 16,396.41 × 6,843.45
  4. Step 4: Simplify right side
    11,880.21x = 112,208,012.01
  5. Step 5: Solve for x
    x = 112,208,012.01/11,880.21
  6. Step 6: Final answer
    x = 9,444.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.