Home / 16,912.62-25,265.23-12,192.35

Finding the Fourth Proportional to 16,912.62, 25,265.23 and 12,192.35

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Solution

The fourth proportional to 16,912.62, 25,265.23 and 12,192.35 is: 18,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.62 : 25,265.23 = 12,192.35 : x
  2. Step 2: Convert to fraction form
    16,912.62/25,265.23 = 12,192.35/x
  3. Step 3: Cross multiply
    16,912.62x = 25,265.23 × 12,192.35
  4. Step 4: Simplify right side
    16,912.62x = 308,042,386.52
  5. Step 5: Solve for x
    x = 308,042,386.52/16,912.62
  6. Step 6: Final answer
    x = 18,213.76

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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.