Home / 12,996.27-19,494.21-3,135.47

Finding the Fourth Proportional to 12,996.27, 19,494.21 and 3,135.47

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Solution

The fourth proportional to 12,996.27, 19,494.21 and 3,135.47 is: 4,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.27 : 19,494.21 = 3,135.47 : x
  2. Step 2: Convert to fraction form
    12,996.27/19,494.21 = 3,135.47/x
  3. Step 3: Cross multiply
    12,996.27x = 19,494.21 × 3,135.47
  4. Step 4: Simplify right side
    12,996.27x = 61,123,413.16
  5. Step 5: Solve for x
    x = 61,123,413.16/12,996.27
  6. Step 6: Final answer
    x = 4,703.15

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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.