Home / 22,485.62-31,029.35-12,413.85

Finding the Fourth Proportional to 22,485.62, 31,029.35 and 12,413.85

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Solution

The fourth proportional to 22,485.62, 31,029.35 and 12,413.85 is: 17,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.62 : 31,029.35 = 12,413.85 : x
  2. Step 2: Convert to fraction form
    22,485.62/31,029.35 = 12,413.85/x
  3. Step 3: Cross multiply
    22,485.62x = 31,029.35 × 12,413.85
  4. Step 4: Simplify right side
    22,485.62x = 385,193,634.43
  5. Step 5: Solve for x
    x = 385,193,634.43/22,485.62
  6. Step 6: Final answer
    x = 17,130.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.