Home / 21,973.73-32,965.49-12,107.93

Finding the Fourth Proportional to 21,973.73, 32,965.49 and 12,107.93

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Solution

The fourth proportional to 21,973.73, 32,965.49 and 12,107.93 is: 18,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.73 : 32,965.49 = 12,107.93 : x
  2. Step 2: Convert to fraction form
    21,973.73/32,965.49 = 12,107.93/x
  3. Step 3: Cross multiply
    21,973.73x = 32,965.49 × 12,107.93
  4. Step 4: Simplify right side
    21,973.73x = 399,143,619.97
  5. Step 5: Solve for x
    x = 399,143,619.97/21,973.73
  6. Step 6: Final answer
    x = 18,164.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.