Home / 12,376.56-18,563.04-3,609.12

Finding the Fourth Proportional to 12,376.56, 18,563.04 and 3,609.12

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Solution

The fourth proportional to 12,376.56, 18,563.04 and 3,609.12 is: 5,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.56 : 18,563.04 = 3,609.12 : x
  2. Step 2: Convert to fraction form
    12,376.56/18,563.04 = 3,609.12/x
  3. Step 3: Cross multiply
    12,376.56x = 18,563.04 × 3,609.12
  4. Step 4: Simplify right side
    12,376.56x = 66,996,238.92
  5. Step 5: Solve for x
    x = 66,996,238.92/12,376.56
  6. Step 6: Final answer
    x = 5,413.16

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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.