Home / 12,725.64-19,080.70-5,704.36

Finding the Fourth Proportional to 12,725.64, 19,080.70 and 5,704.36

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Solution

The fourth proportional to 12,725.64, 19,080.70 and 5,704.36 is: 8,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.64 : 19,080.70 = 5,704.36 : x
  2. Step 2: Convert to fraction form
    12,725.64/19,080.70 = 5,704.36/x
  3. Step 3: Cross multiply
    12,725.64x = 19,080.70 × 5,704.36
  4. Step 4: Simplify right side
    12,725.64x = 108,843,181.85
  5. Step 5: Solve for x
    x = 108,843,181.85/12,725.64
  6. Step 6: Final answer
    x = 8,553.06

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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.