Home / 11,440.67-17,158.60-3,230.75

Finding the Fourth Proportional to 11,440.67, 17,158.60 and 3,230.75

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Solution

The fourth proportional to 11,440.67, 17,158.60 and 3,230.75 is: 4,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.67 : 17,158.60 = 3,230.75 : x
  2. Step 2: Convert to fraction form
    11,440.67/17,158.60 = 3,230.75/x
  3. Step 3: Cross multiply
    11,440.67x = 17,158.60 × 3,230.75
  4. Step 4: Simplify right side
    11,440.67x = 55,435,146.95
  5. Step 5: Solve for x
    x = 55,435,146.95/11,440.67
  6. Step 6: Final answer
    x = 4,845.45

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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.