Home / 12,208.27-18,305.92-8,313.79

Finding the Fourth Proportional to 12,208.27, 18,305.92 and 8,313.79

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Solution

The fourth proportional to 12,208.27, 18,305.92 and 8,313.79 is: 12,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.27 : 18,305.92 = 8,313.79 : x
  2. Step 2: Convert to fraction form
    12,208.27/18,305.92 = 8,313.79/x
  3. Step 3: Cross multiply
    12,208.27x = 18,305.92 × 8,313.79
  4. Step 4: Simplify right side
    12,208.27x = 152,191,574.64
  5. Step 5: Solve for x
    x = 152,191,574.64/12,208.27
  6. Step 6: Final answer
    x = 12,466.27

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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.