Home / 21,268.34-31,893.26-6,473.82

Finding the Fourth Proportional to 21,268.34, 31,893.26 and 6,473.82

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Solution

The fourth proportional to 21,268.34, 31,893.26 and 6,473.82 is: 9,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268.34 : 31,893.26 = 6,473.82 : x
  2. Step 2: Convert to fraction form
    21,268.34/31,893.26 = 6,473.82/x
  3. Step 3: Cross multiply
    21,268.34x = 31,893.26 × 6,473.82
  4. Step 4: Simplify right side
    21,268.34x = 206,471,192.08
  5. Step 5: Solve for x
    x = 206,471,192.08/21,268.34
  6. Step 6: Final answer
    x = 9,707.92

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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.