Home / 12,214.27-18,313.26-4,422.07

Finding the Fourth Proportional to 12,214.27, 18,313.26 and 4,422.07

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Solution

The fourth proportional to 12,214.27, 18,313.26 and 4,422.07 is: 6,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.27 : 18,313.26 = 4,422.07 : x
  2. Step 2: Convert to fraction form
    12,214.27/18,313.26 = 4,422.07/x
  3. Step 3: Cross multiply
    12,214.27x = 18,313.26 × 4,422.07
  4. Step 4: Simplify right side
    12,214.27x = 80,982,517.65
  5. Step 5: Solve for x
    x = 80,982,517.65/12,214.27
  6. Step 6: Final answer
    x = 6,630.16

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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.