Home / 21,302.94-31,954.43-11,504.52

Finding the Fourth Proportional to 21,302.94, 31,954.43 and 11,504.52

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Solution

The fourth proportional to 21,302.94, 31,954.43 and 11,504.52 is: 17,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.94 : 31,954.43 = 11,504.52 : x
  2. Step 2: Convert to fraction form
    21,302.94/31,954.43 = 11,504.52/x
  3. Step 3: Cross multiply
    21,302.94x = 31,954.43 × 11,504.52
  4. Step 4: Simplify right side
    21,302.94x = 367,620,379.02
  5. Step 5: Solve for x
    x = 367,620,379.02/21,302.94
  6. Step 6: Final answer
    x = 17,256.79

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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.