Home / 17,021.80-23,490.54-10,306

Finding the Fourth Proportional to 17,021.80, 23,490.54 and 10,306

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Solution

The fourth proportional to 17,021.80, 23,490.54 and 10,306 is: 14,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.80 : 23,490.54 = 10,306 : x
  2. Step 2: Convert to fraction form
    17,021.80/23,490.54 = 10,306/x
  3. Step 3: Cross multiply
    17,021.80x = 23,490.54 × 10,306
  4. Step 4: Simplify right side
    17,021.80x = 242,093,505.24
  5. Step 5: Solve for x
    x = 242,093,505.24/17,021.80
  6. Step 6: Final answer
    x = 14,222.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.