Home / 15,996.30-23,930.37-13,828.38

Finding the Fourth Proportional to 15,996.30, 23,930.37 and 13,828.38

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Solution

The fourth proportional to 15,996.30, 23,930.37 and 13,828.38 is: 20,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.30 : 23,930.37 = 13,828.38 : x
  2. Step 2: Convert to fraction form
    15,996.30/23,930.37 = 13,828.38/x
  3. Step 3: Cross multiply
    15,996.30x = 23,930.37 × 13,828.38
  4. Step 4: Simplify right side
    15,996.30x = 330,918,249.90
  5. Step 5: Solve for x
    x = 330,918,249.90/15,996.30
  6. Step 6: Final answer
    x = 20,687.17

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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.