Home / 22,050.80-30,429.48-12,619.04

Finding the Fourth Proportional to 22,050.80, 30,429.48 and 12,619.04

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Solution

The fourth proportional to 22,050.80, 30,429.48 and 12,619.04 is: 17,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.80 : 30,429.48 = 12,619.04 : x
  2. Step 2: Convert to fraction form
    22,050.80/30,429.48 = 12,619.04/x
  3. Step 3: Cross multiply
    22,050.80x = 30,429.48 × 12,619.04
  4. Step 4: Simplify right side
    22,050.80x = 383,990,825.30
  5. Step 5: Solve for x
    x = 383,990,825.30/22,050.80
  6. Step 6: Final answer
    x = 17,413.92

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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.