Home / 12,757.03-19,136.95-3,397.39

Finding the Fourth Proportional to 12,757.03, 19,136.95 and 3,397.39

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Solution

The fourth proportional to 12,757.03, 19,136.95 and 3,397.39 is: 5,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.03 : 19,136.95 = 3,397.39 : x
  2. Step 2: Convert to fraction form
    12,757.03/19,136.95 = 3,397.39/x
  3. Step 3: Cross multiply
    12,757.03x = 19,136.95 × 3,397.39
  4. Step 4: Simplify right side
    12,757.03x = 65,015,626.22
  5. Step 5: Solve for x
    x = 65,015,626.22/12,757.03
  6. Step 6: Final answer
    x = 5,096.46

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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.