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Finding the Fourth Proportional to 17,379.68, 23,992.84 and 11,012.87

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Solution

The fourth proportional to 17,379.68, 23,992.84 and 11,012.87 is: 15,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.68 : 23,992.84 = 11,012.87 : x
  2. Step 2: Convert to fraction form
    17,379.68/23,992.84 = 11,012.87/x
  3. Step 3: Cross multiply
    17,379.68x = 23,992.84 × 11,012.87
  4. Step 4: Simplify right side
    17,379.68x = 264,230,101.60
  5. Step 5: Solve for x
    x = 264,230,101.60/17,379.68
  6. Step 6: Final answer
    x = 15,203.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.