Home / 21,633.32-29,853.58-12,201.88

Finding the Fourth Proportional to 21,633.32, 29,853.58 and 12,201.88

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Solution

The fourth proportional to 21,633.32, 29,853.58 and 12,201.88 is: 16,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.32 : 29,853.58 = 12,201.88 : x
  2. Step 2: Convert to fraction form
    21,633.32/29,853.58 = 12,201.88/x
  3. Step 3: Cross multiply
    21,633.32x = 29,853.58 × 12,201.88
  4. Step 4: Simplify right side
    21,633.32x = 364,269,800.73
  5. Step 5: Solve for x
    x = 364,269,800.73/21,633.32
  6. Step 6: Final answer
    x = 16,838.37

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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.