Home / 13,446.25-20,170.44-4,087.08

Finding the Fourth Proportional to 13,446.25, 20,170.44 and 4,087.08

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Solution

The fourth proportional to 13,446.25, 20,170.44 and 4,087.08 is: 6,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.25 : 20,170.44 = 4,087.08 : x
  2. Step 2: Convert to fraction form
    13,446.25/20,170.44 = 4,087.08/x
  3. Step 3: Cross multiply
    13,446.25x = 20,170.44 × 4,087.08
  4. Step 4: Simplify right side
    13,446.25x = 82,438,201.92
  5. Step 5: Solve for x
    x = 82,438,201.92/13,446.25
  6. Step 6: Final answer
    x = 6,130.94

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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.