Home / 21,296.73-31,945.11-9,596.28

Finding the Fourth Proportional to 21,296.73, 31,945.11 and 9,596.28

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Solution

The fourth proportional to 21,296.73, 31,945.11 and 9,596.28 is: 14,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.73 : 31,945.11 = 9,596.28 : x
  2. Step 2: Convert to fraction form
    21,296.73/31,945.11 = 9,596.28/x
  3. Step 3: Cross multiply
    21,296.73x = 31,945.11 × 9,596.28
  4. Step 4: Simplify right side
    21,296.73x = 306,554,220.19
  5. Step 5: Solve for x
    x = 306,554,220.19/21,296.73
  6. Step 6: Final answer
    x = 14,394.43

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1.5x scale

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.