Home / 11,054.40-16,581.60-4,131.60

Finding the Fourth Proportional to 11,054.40, 16,581.60 and 4,131.60

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Solution

The fourth proportional to 11,054.40, 16,581.60 and 4,131.60 is: 6,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.40 : 16,581.60 = 4,131.60 : x
  2. Step 2: Convert to fraction form
    11,054.40/16,581.60 = 4,131.60/x
  3. Step 3: Cross multiply
    11,054.40x = 16,581.60 × 4,131.60
  4. Step 4: Simplify right side
    11,054.40x = 68,508,538.56
  5. Step 5: Solve for x
    x = 68,508,538.56/11,054.40
  6. Step 6: Final answer
    x = 6,197.40

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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.