Home / 21,584.94-29,786.16-12,020.46

Finding the Fourth Proportional to 21,584.94, 29,786.16 and 12,020.46

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Solution

The fourth proportional to 21,584.94, 29,786.16 and 12,020.46 is: 16,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.94 : 29,786.16 = 12,020.46 : x
  2. Step 2: Convert to fraction form
    21,584.94/29,786.16 = 12,020.46/x
  3. Step 3: Cross multiply
    21,584.94x = 29,786.16 × 12,020.46
  4. Step 4: Simplify right side
    21,584.94x = 358,043,344.83
  5. Step 5: Solve for x
    x = 358,043,344.83/21,584.94
  6. Step 6: Final answer
    x = 16,587.65

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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.