Home / 18,512.07-25,548.12-11,800.68

Finding the Fourth Proportional to 18,512.07, 25,548.12 and 11,800.68

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Solution

The fourth proportional to 18,512.07, 25,548.12 and 11,800.68 is: 16,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.07 : 25,548.12 = 11,800.68 : x
  2. Step 2: Convert to fraction form
    18,512.07/25,548.12 = 11,800.68/x
  3. Step 3: Cross multiply
    18,512.07x = 25,548.12 × 11,800.68
  4. Step 4: Simplify right side
    18,512.07x = 301,485,188.72
  5. Step 5: Solve for x
    x = 301,485,188.72/18,512.07
  6. Step 6: Final answer
    x = 16,285.87

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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.