Home / 12,738.06-19,089.71-4,836.34

Finding the Fourth Proportional to 12,738.06, 19,089.71 and 4,836.34

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Solution

The fourth proportional to 12,738.06, 19,089.71 and 4,836.34 is: 7,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.06 : 19,089.71 = 4,836.34 : x
  2. Step 2: Convert to fraction form
    12,738.06/19,089.71 = 4,836.34/x
  3. Step 3: Cross multiply
    12,738.06x = 19,089.71 × 4,836.34
  4. Step 4: Simplify right side
    12,738.06x = 92,324,393.92
  5. Step 5: Solve for x
    x = 92,324,393.92/12,738.06
  6. Step 6: Final answer
    x = 7,247.92

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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.