Home / 12,942.24-19,413.90-4,176.06

Finding the Fourth Proportional to 12,942.24, 19,413.90 and 4,176.06

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Solution

The fourth proportional to 12,942.24, 19,413.90 and 4,176.06 is: 6,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.24 : 19,413.90 = 4,176.06 : x
  2. Step 2: Convert to fraction form
    12,942.24/19,413.90 = 4,176.06/x
  3. Step 3: Cross multiply
    12,942.24x = 19,413.90 × 4,176.06
  4. Step 4: Simplify right side
    12,942.24x = 81,073,611.23
  5. Step 5: Solve for x
    x = 81,073,611.23/12,942.24
  6. Step 6: Final answer
    x = 6,264.26

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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.