Home / 8,318.24-12,477.12-2,162.24

Finding the Fourth Proportional to 8,318.24, 12,477.12 and 2,162.24

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Solution

The fourth proportional to 8,318.24, 12,477.12 and 2,162.24 is: 3,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.24 : 12,477.12 = 2,162.24 : x
  2. Step 2: Convert to fraction form
    8,318.24/12,477.12 = 2,162.24/x
  3. Step 3: Cross multiply
    8,318.24x = 12,477.12 × 2,162.24
  4. Step 4: Simplify right side
    8,318.24x = 26,978,527.95
  5. Step 5: Solve for x
    x = 26,978,527.95/8,318.24
  6. Step 6: Final answer
    x = 3,243.30

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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.