Home / 13,414.21-18,498.68-8,629.23

Finding the Fourth Proportional to 13,414.21, 18,498.68 and 8,629.23

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Solution

The fourth proportional to 13,414.21, 18,498.68 and 8,629.23 is: 11,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.21 : 18,498.68 = 8,629.23 : x
  2. Step 2: Convert to fraction form
    13,414.21/18,498.68 = 8,629.23/x
  3. Step 3: Cross multiply
    13,414.21x = 18,498.68 × 8,629.23
  4. Step 4: Simplify right side
    13,414.21x = 159,629,423.00
  5. Step 5: Solve for x
    x = 159,629,423.00/13,414.21
  6. Step 6: Final answer
    x = 11,900.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.