Home / 12,982.98-19,474.45-3,122.25

Finding the Fourth Proportional to 12,982.98, 19,474.45 and 3,122.25

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Solution

The fourth proportional to 12,982.98, 19,474.45 and 3,122.25 is: 4,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.98 : 19,474.45 = 3,122.25 : x
  2. Step 2: Convert to fraction form
    12,982.98/19,474.45 = 3,122.25/x
  3. Step 3: Cross multiply
    12,982.98x = 19,474.45 × 3,122.25
  4. Step 4: Simplify right side
    12,982.98x = 60,804,101.51
  5. Step 5: Solve for x
    x = 60,804,101.51/12,982.98
  6. Step 6: Final answer
    x = 4,683.37

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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.