Home / 11,071.56-16,610.60-3,280.56

Finding the Fourth Proportional to 11,071.56, 16,610.60 and 3,280.56

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Solution

The fourth proportional to 11,071.56, 16,610.60 and 3,280.56 is: 4,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.56 : 16,610.60 = 3,280.56 : x
  2. Step 2: Convert to fraction form
    11,071.56/16,610.60 = 3,280.56/x
  3. Step 3: Cross multiply
    11,071.56x = 16,610.60 × 3,280.56
  4. Step 4: Simplify right side
    11,071.56x = 54,492,069.94
  5. Step 5: Solve for x
    x = 54,492,069.94/11,071.56
  6. Step 6: Final answer
    x = 4,921.81

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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.