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Finding the Fourth Proportional to 16,883.37, 25,316.41 and 8,990.37

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Solution

The fourth proportional to 16,883.37, 25,316.41 and 8,990.37 is: 13,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.37 : 25,316.41 = 8,990.37 : x
  2. Step 2: Convert to fraction form
    16,883.37/25,316.41 = 8,990.37/x
  3. Step 3: Cross multiply
    16,883.37x = 25,316.41 × 8,990.37
  4. Step 4: Simplify right side
    16,883.37x = 227,603,892.97
  5. Step 5: Solve for x
    x = 227,603,892.97/16,883.37
  6. Step 6: Final answer
    x = 13,480.95

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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.