Home / 11,173.75-16,760.60-2,853.77

Finding the Fourth Proportional to 11,173.75, 16,760.60 and 2,853.77

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Solution

The fourth proportional to 11,173.75, 16,760.60 and 2,853.77 is: 4,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.75 : 16,760.60 = 2,853.77 : x
  2. Step 2: Convert to fraction form
    11,173.75/16,760.60 = 2,853.77/x
  3. Step 3: Cross multiply
    11,173.75x = 16,760.60 × 2,853.77
  4. Step 4: Simplify right side
    11,173.75x = 47,830,810.09
  5. Step 5: Solve for x
    x = 47,830,810.09/11,173.75
  6. Step 6: Final answer
    x = 4,280.64

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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.