Home / 18,689.09-27,896.90-16,474.73

Finding the Fourth Proportional to 18,689.09, 27,896.90 and 16,474.73

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Solution

The fourth proportional to 18,689.09, 27,896.90 and 16,474.73 is: 24,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689.09 : 27,896.90 = 16,474.73 : x
  2. Step 2: Convert to fraction form
    18,689.09/27,896.90 = 16,474.73/x
  3. Step 3: Cross multiply
    18,689.09x = 27,896.90 × 16,474.73
  4. Step 4: Simplify right side
    18,689.09x = 459,593,895.34
  5. Step 5: Solve for x
    x = 459,593,895.34/18,689.09
  6. Step 6: Final answer
    x = 24,591.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.