Home / 12,725.78-19,099.00-5,335.43

Finding the Fourth Proportional to 12,725.78, 19,099.00 and 5,335.43

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Solution

The fourth proportional to 12,725.78, 19,099.00 and 5,335.43 is: 8,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.78 : 19,099.00 = 5,335.43 : x
  2. Step 2: Convert to fraction form
    12,725.78/19,099.00 = 5,335.43/x
  3. Step 3: Cross multiply
    12,725.78x = 19,099.00 × 5,335.43
  4. Step 4: Simplify right side
    12,725.78x = 101,901,309.68
  5. Step 5: Solve for x
    x = 101,901,309.68/12,725.78
  6. Step 6: Final answer
    x = 8,007.47

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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.