Home / 18,666.12-25,793.46-13,940.04

Finding the Fourth Proportional to 18,666.12, 25,793.46 and 13,940.04

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Solution

The fourth proportional to 18,666.12, 25,793.46 and 13,940.04 is: 19,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.12 : 25,793.46 = 13,940.04 : x
  2. Step 2: Convert to fraction form
    18,666.12/25,793.46 = 13,940.04/x
  3. Step 3: Cross multiply
    18,666.12x = 25,793.46 × 13,940.04
  4. Step 4: Simplify right side
    18,666.12x = 359,561,864.14
  5. Step 5: Solve for x
    x = 359,561,864.14/18,666.12
  6. Step 6: Final answer
    x = 19,262.81

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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.