Home / 12,724.23-19,088.16-3,960.03

Finding the Fourth Proportional to 12,724.23, 19,088.16 and 3,960.03

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Solution

The fourth proportional to 12,724.23, 19,088.16 and 3,960.03 is: 5,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.23 : 19,088.16 = 3,960.03 : x
  2. Step 2: Convert to fraction form
    12,724.23/19,088.16 = 3,960.03/x
  3. Step 3: Cross multiply
    12,724.23x = 19,088.16 × 3,960.03
  4. Step 4: Simplify right side
    12,724.23x = 75,589,686.24
  5. Step 5: Solve for x
    x = 75,589,686.24/12,724.23
  6. Step 6: Final answer
    x = 5,940.61

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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.