Home / 12,725.25-19,089.23-3,491.25

Finding the Fourth Proportional to 12,725.25, 19,089.23 and 3,491.25

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Solution

The fourth proportional to 12,725.25, 19,089.23 and 3,491.25 is: 5,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.25 : 19,089.23 = 3,491.25 : x
  2. Step 2: Convert to fraction form
    12,725.25/19,089.23 = 3,491.25/x
  3. Step 3: Cross multiply
    12,725.25x = 19,089.23 × 3,491.25
  4. Step 4: Simplify right side
    12,725.25x = 66,645,256.78
  5. Step 5: Solve for x
    x = 66,645,256.78/12,725.25
  6. Step 6: Final answer
    x = 5,237.25

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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.