Home / 20,923.48-31,382.49-9,233.97

Finding the Fourth Proportional to 20,923.48, 31,382.49 and 9,233.97

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Solution

The fourth proportional to 20,923.48, 31,382.49 and 9,233.97 is: 13,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.48 : 31,382.49 = 9,233.97 : x
  2. Step 2: Convert to fraction form
    20,923.48/31,382.49 = 9,233.97/x
  3. Step 3: Cross multiply
    20,923.48x = 31,382.49 × 9,233.97
  4. Step 4: Simplify right side
    20,923.48x = 289,784,971.19
  5. Step 5: Solve for x
    x = 289,784,971.19/20,923.48
  6. Step 6: Final answer
    x = 13,849.75

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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.