Home / 11,188.75-16,785.57-4,263.25

Finding the Fourth Proportional to 11,188.75, 16,785.57 and 4,263.25

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Solution

The fourth proportional to 11,188.75, 16,785.57 and 4,263.25 is: 6,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.75 : 16,785.57 = 4,263.25 : x
  2. Step 2: Convert to fraction form
    11,188.75/16,785.57 = 4,263.25/x
  3. Step 3: Cross multiply
    11,188.75x = 16,785.57 × 4,263.25
  4. Step 4: Simplify right side
    11,188.75x = 71,561,081.30
  5. Step 5: Solve for x
    x = 71,561,081.30/11,188.75
  6. Step 6: Final answer
    x = 6,395.81

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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.