Home / 11,091.06-16,615.08-8,738.64

Finding the Fourth Proportional to 11,091.06, 16,615.08 and 8,738.64

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Solution

The fourth proportional to 11,091.06, 16,615.08 and 8,738.64 is: 13,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.06 : 16,615.08 = 8,738.64 : x
  2. Step 2: Convert to fraction form
    11,091.06/16,615.08 = 8,738.64/x
  3. Step 3: Cross multiply
    11,091.06x = 16,615.08 × 8,738.64
  4. Step 4: Simplify right side
    11,091.06x = 145,193,202.69
  5. Step 5: Solve for x
    x = 145,193,202.69/11,091.06
  6. Step 6: Final answer
    x = 13,091.01

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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.