Home / 11,880.92-16,396.89-6,845.33

Finding the Fourth Proportional to 11,880.92, 16,396.89 and 6,845.33

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Solution

The fourth proportional to 11,880.92, 16,396.89 and 6,845.33 is: 9,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.92 : 16,396.89 = 6,845.33 : x
  2. Step 2: Convert to fraction form
    11,880.92/16,396.89 = 6,845.33/x
  3. Step 3: Cross multiply
    11,880.92x = 16,396.89 × 6,845.33
  4. Step 4: Simplify right side
    11,880.92x = 112,242,123.02
  5. Step 5: Solve for x
    x = 112,242,123.02/11,880.92
  6. Step 6: Final answer
    x = 9,447.26

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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.