Home / 18,656.14-27,926.31-13,948.42

Finding the Fourth Proportional to 18,656.14, 27,926.31 and 13,948.42

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Solution

The fourth proportional to 18,656.14, 27,926.31 and 13,948.42 is: 20,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.14 : 27,926.31 = 13,948.42 : x
  2. Step 2: Convert to fraction form
    18,656.14/27,926.31 = 13,948.42/x
  3. Step 3: Cross multiply
    18,656.14x = 27,926.31 × 13,948.42
  4. Step 4: Simplify right side
    18,656.14x = 389,527,900.93
  5. Step 5: Solve for x
    x = 389,527,900.93/18,656.14
  6. Step 6: Final answer
    x = 20,879.34

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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.