Home / 19,770.69-27,282.51-11,273.03

Finding the Fourth Proportional to 19,770.69, 27,282.51 and 11,273.03

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Solution

The fourth proportional to 19,770.69, 27,282.51 and 11,273.03 is: 15,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.69 : 27,282.51 = 11,273.03 : x
  2. Step 2: Convert to fraction form
    19,770.69/27,282.51 = 11,273.03/x
  3. Step 3: Cross multiply
    19,770.69x = 27,282.51 × 11,273.03
  4. Step 4: Simplify right side
    19,770.69x = 307,556,417.29
  5. Step 5: Solve for x
    x = 307,556,417.29/19,770.69
  6. Step 6: Final answer
    x = 15,556.18

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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.