Home / 12,400.26-18,600.54-3,635.35

Finding the Fourth Proportional to 12,400.26, 18,600.54 and 3,635.35

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Solution

The fourth proportional to 12,400.26, 18,600.54 and 3,635.35 is: 5,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.26 : 18,600.54 = 3,635.35 : x
  2. Step 2: Convert to fraction form
    12,400.26/18,600.54 = 3,635.35/x
  3. Step 3: Cross multiply
    12,400.26x = 18,600.54 × 3,635.35
  4. Step 4: Simplify right side
    12,400.26x = 67,619,380.09
  5. Step 5: Solve for x
    x = 67,619,380.09/12,400.26
  6. Step 6: Final answer
    x = 5,453.06

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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.