Home / 12,680.37-19,009.40-4,883.85

Finding the Fourth Proportional to 12,680.37, 19,009.40 and 4,883.85

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Solution

The fourth proportional to 12,680.37, 19,009.40 and 4,883.85 is: 7,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.37 : 19,009.40 = 4,883.85 : x
  2. Step 2: Convert to fraction form
    12,680.37/19,009.40 = 4,883.85/x
  3. Step 3: Cross multiply
    12,680.37x = 19,009.40 × 4,883.85
  4. Step 4: Simplify right side
    12,680.37x = 92,839,033.77
  5. Step 5: Solve for x
    x = 92,839,033.77/12,680.37
  6. Step 6: Final answer
    x = 7,321.48

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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.