Home / 12,272.60-18,413.70-4,482.20

Finding the Fourth Proportional to 12,272.60, 18,413.70 and 4,482.20

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Solution

The fourth proportional to 12,272.60, 18,413.70 and 4,482.20 is: 6,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.60 : 18,413.70 = 4,482.20 : x
  2. Step 2: Convert to fraction form
    12,272.60/18,413.70 = 4,482.20/x
  3. Step 3: Cross multiply
    12,272.60x = 18,413.70 × 4,482.20
  4. Step 4: Simplify right side
    12,272.60x = 82,533,886.14
  5. Step 5: Solve for x
    x = 82,533,886.14/12,272.60
  6. Step 6: Final answer
    x = 6,725.05

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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.