Home / 12,807.41-19,208.96-3,571.25

Finding the Fourth Proportional to 12,807.41, 19,208.96 and 3,571.25

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Solution

The fourth proportional to 12,807.41, 19,208.96 and 3,571.25 is: 5,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.41 : 19,208.96 = 3,571.25 : x
  2. Step 2: Convert to fraction form
    12,807.41/19,208.96 = 3,571.25/x
  3. Step 3: Cross multiply
    12,807.41x = 19,208.96 × 3,571.25
  4. Step 4: Simplify right side
    12,807.41x = 68,599,980.54
  5. Step 5: Solve for x
    x = 68,599,980.54/12,807.41
  6. Step 6: Final answer
    x = 5,356.27

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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.