Home / 21,734.26-29,993.26-12,305.86

Finding the Fourth Proportional to 21,734.26, 29,993.26 and 12,305.86

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Solution

The fourth proportional to 21,734.26, 29,993.26 and 12,305.86 is: 16,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.26 : 29,993.26 = 12,305.86 : x
  2. Step 2: Convert to fraction form
    21,734.26/29,993.26 = 12,305.86/x
  3. Step 3: Cross multiply
    21,734.26x = 29,993.26 × 12,305.86
  4. Step 4: Simplify right side
    21,734.26x = 369,092,858.50
  5. Step 5: Solve for x
    x = 369,092,858.50/21,734.26
  6. Step 6: Final answer
    x = 16,982.08

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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.