Home / 13,461.44-20,190.92-4,103.51

Finding the Fourth Proportional to 13,461.44, 20,190.92 and 4,103.51

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Solution

The fourth proportional to 13,461.44, 20,190.92 and 4,103.51 is: 6,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.44 : 20,190.92 = 4,103.51 : x
  2. Step 2: Convert to fraction form
    13,461.44/20,190.92 = 4,103.51/x
  3. Step 3: Cross multiply
    13,461.44x = 20,190.92 × 4,103.51
  4. Step 4: Simplify right side
    13,461.44x = 82,853,520.66
  5. Step 5: Solve for x
    x = 82,853,520.66/13,461.44
  6. Step 6: Final answer
    x = 6,154.88

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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.