Home / 21,083.64-29,092.30-11,652.60

Finding the Fourth Proportional to 21,083.64, 29,092.30 and 11,652.60

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Solution

The fourth proportional to 21,083.64, 29,092.30 and 11,652.60 is: 16,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.64 : 29,092.30 = 11,652.60 : x
  2. Step 2: Convert to fraction form
    21,083.64/29,092.30 = 11,652.60/x
  3. Step 3: Cross multiply
    21,083.64x = 29,092.30 × 11,652.60
  4. Step 4: Simplify right side
    21,083.64x = 339,000,934.98
  5. Step 5: Solve for x
    x = 339,000,934.98/21,083.64
  6. Step 6: Final answer
    x = 16,078.86

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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.