Home / 19,822.94-27,358.44-12,271.68

Finding the Fourth Proportional to 19,822.94, 27,358.44 and 12,271.68

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Solution

The fourth proportional to 19,822.94, 27,358.44 and 12,271.68 is: 16,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.94 : 27,358.44 = 12,271.68 : x
  2. Step 2: Convert to fraction form
    19,822.94/27,358.44 = 12,271.68/x
  3. Step 3: Cross multiply
    19,822.94x = 27,358.44 × 12,271.68
  4. Step 4: Simplify right side
    19,822.94x = 335,734,020.98
  5. Step 5: Solve for x
    x = 335,734,020.98/19,822.94
  6. Step 6: Final answer
    x = 16,936.64

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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.