Home / 21,629.27-29,848.33-12,197.83

Finding the Fourth Proportional to 21,629.27, 29,848.33 and 12,197.83

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Solution

The fourth proportional to 21,629.27, 29,848.33 and 12,197.83 is: 16,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.27 : 29,848.33 = 12,197.83 : x
  2. Step 2: Convert to fraction form
    21,629.27/29,848.33 = 12,197.83/x
  3. Step 3: Cross multiply
    21,629.27x = 29,848.33 × 12,197.83
  4. Step 4: Simplify right side
    21,629.27x = 364,084,855.12
  5. Step 5: Solve for x
    x = 364,084,855.12/21,629.27
  6. Step 6: Final answer
    x = 16,832.97

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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.