Home / 11,091.36-16,636.95-2,771.31

Finding the Fourth Proportional to 11,091.36, 16,636.95 and 2,771.31

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Solution

The fourth proportional to 11,091.36, 16,636.95 and 2,771.31 is: 4,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.36 : 16,636.95 = 2,771.31 : x
  2. Step 2: Convert to fraction form
    11,091.36/16,636.95 = 2,771.31/x
  3. Step 3: Cross multiply
    11,091.36x = 16,636.95 × 2,771.31
  4. Step 4: Simplify right side
    11,091.36x = 46,106,145.90
  5. Step 5: Solve for x
    x = 46,106,145.90/11,091.36
  6. Step 6: Final answer
    x = 4,156.94

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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.