Home / 13,494.60-20,240.48-3,634.88

Finding the Fourth Proportional to 13,494.60, 20,240.48 and 3,634.88

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Solution

The fourth proportional to 13,494.60, 20,240.48 and 3,634.88 is: 5,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.60 : 20,240.48 = 3,634.88 : x
  2. Step 2: Convert to fraction form
    13,494.60/20,240.48 = 3,634.88/x
  3. Step 3: Cross multiply
    13,494.60x = 20,240.48 × 3,634.88
  4. Step 4: Simplify right side
    13,494.60x = 73,571,715.94
  5. Step 5: Solve for x
    x = 73,571,715.94/13,494.60
  6. Step 6: Final answer
    x = 5,451.94

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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.