Home / 12,625.65-18,939.51-5,228.73

Finding the Fourth Proportional to 12,625.65, 18,939.51 and 5,228.73

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Solution

The fourth proportional to 12,625.65, 18,939.51 and 5,228.73 is: 7,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.65 : 18,939.51 = 5,228.73 : x
  2. Step 2: Convert to fraction form
    12,625.65/18,939.51 = 5,228.73/x
  3. Step 3: Cross multiply
    12,625.65x = 18,939.51 × 5,228.73
  4. Step 4: Simplify right side
    12,625.65x = 99,029,584.12
  5. Step 5: Solve for x
    x = 99,029,584.12/12,625.65
  6. Step 6: Final answer
    x = 7,843.52

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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.