Home / 11,190.55-16,785.83-2,870.56

Finding the Fourth Proportional to 11,190.55, 16,785.83 and 2,870.56

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Solution

The fourth proportional to 11,190.55, 16,785.83 and 2,870.56 is: 4,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.55 : 16,785.83 = 2,870.56 : x
  2. Step 2: Convert to fraction form
    11,190.55/16,785.83 = 2,870.56/x
  3. Step 3: Cross multiply
    11,190.55x = 16,785.83 × 2,870.56
  4. Step 4: Simplify right side
    11,190.55x = 48,184,759.78
  5. Step 5: Solve for x
    x = 48,184,759.78/11,190.55
  6. Step 6: Final answer
    x = 4,305.84

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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.