Home / 12,683.36-19,020.98-4,361.36

Finding the Fourth Proportional to 12,683.36, 19,020.98 and 4,361.36

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Solution

The fourth proportional to 12,683.36, 19,020.98 and 4,361.36 is: 6,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.36 : 19,020.98 = 4,361.36 : x
  2. Step 2: Convert to fraction form
    12,683.36/19,020.98 = 4,361.36/x
  3. Step 3: Cross multiply
    12,683.36x = 19,020.98 × 4,361.36
  4. Step 4: Simplify right side
    12,683.36x = 82,957,257.13
  5. Step 5: Solve for x
    x = 82,957,257.13/12,683.36
  6. Step 6: Final answer
    x = 6,540.64

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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.