Home / 11,177.87-16,768.60-3,384.86

Finding the Fourth Proportional to 11,177.87, 16,768.60 and 3,384.86

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Solution

The fourth proportional to 11,177.87, 16,768.60 and 3,384.86 is: 5,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.87 : 16,768.60 = 3,384.86 : x
  2. Step 2: Convert to fraction form
    11,177.87/16,768.60 = 3,384.86/x
  3. Step 3: Cross multiply
    11,177.87x = 16,768.60 × 3,384.86
  4. Step 4: Simplify right side
    11,177.87x = 56,759,271.09
  5. Step 5: Solve for x
    x = 56,759,271.09/11,177.87
  6. Step 6: Final answer
    x = 5,077.83

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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.