Home / 11,346.09-17,007.44-8,218.23

Finding the Fourth Proportional to 11,346.09, 17,007.44 and 8,218.23

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Solution

The fourth proportional to 11,346.09, 17,007.44 and 8,218.23 is: 12,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.09 : 17,007.44 = 8,218.23 : x
  2. Step 2: Convert to fraction form
    11,346.09/17,007.44 = 8,218.23/x
  3. Step 3: Cross multiply
    11,346.09x = 17,007.44 × 8,218.23
  4. Step 4: Simplify right side
    11,346.09x = 139,771,012.54
  5. Step 5: Solve for x
    x = 139,771,012.54/11,346.09
  6. Step 6: Final answer
    x = 12,318.87

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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.