Home / 16,760.88-23,138.40-12,975.60

Finding the Fourth Proportional to 16,760.88, 23,138.40 and 12,975.60

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Solution

The fourth proportional to 16,760.88, 23,138.40 and 12,975.60 is: 17,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,760.88 : 23,138.40 = 12,975.60 : x
  2. Step 2: Convert to fraction form
    16,760.88/23,138.40 = 12,975.60/x
  3. Step 3: Cross multiply
    16,760.88x = 23,138.40 × 12,975.60
  4. Step 4: Simplify right side
    16,760.88x = 300,234,623.04
  5. Step 5: Solve for x
    x = 300,234,623.04/16,760.88
  6. Step 6: Final answer
    x = 17,912.82

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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.