Home / 12,954.36-19,449.30-6,718.68

Finding the Fourth Proportional to 12,954.36, 19,449.30 and 6,718.68

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Solution

The fourth proportional to 12,954.36, 19,449.30 and 6,718.68 is: 10,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.36 : 19,449.30 = 6,718.68 : x
  2. Step 2: Convert to fraction form
    12,954.36/19,449.30 = 6,718.68/x
  3. Step 3: Cross multiply
    12,954.36x = 19,449.30 × 6,718.68
  4. Step 4: Simplify right side
    12,954.36x = 130,673,622.92
  5. Step 5: Solve for x
    x = 130,673,622.92/12,954.36
  6. Step 6: Final answer
    x = 10,087.23

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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.