Home / 18,487.06-25,512.22-10,103.56

Finding the Fourth Proportional to 18,487.06, 25,512.22 and 10,103.56

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Solution

The fourth proportional to 18,487.06, 25,512.22 and 10,103.56 is: 13,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.06 : 25,512.22 = 10,103.56 : x
  2. Step 2: Convert to fraction form
    18,487.06/25,512.22 = 10,103.56/x
  3. Step 3: Cross multiply
    18,487.06x = 25,512.22 × 10,103.56
  4. Step 4: Simplify right side
    18,487.06x = 257,764,245.50
  5. Step 5: Solve for x
    x = 257,764,245.50/18,487.06
  6. Step 6: Final answer
    x = 13,942.95

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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.