Home / 19,556.73-26,978.31-12,374.51

Finding the Fourth Proportional to 19,556.73, 26,978.31 and 12,374.51

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Solution

The fourth proportional to 19,556.73, 26,978.31 and 12,374.51 is: 17,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.73 : 26,978.31 = 12,374.51 : x
  2. Step 2: Convert to fraction form
    19,556.73/26,978.31 = 12,374.51/x
  3. Step 3: Cross multiply
    19,556.73x = 26,978.31 × 12,374.51
  4. Step 4: Simplify right side
    19,556.73x = 333,843,231.99
  5. Step 5: Solve for x
    x = 333,843,231.99/19,556.73
  6. Step 6: Final answer
    x = 17,070.50

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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.