Home / 12,726.78-19,092.93-5,327.43

Finding the Fourth Proportional to 12,726.78, 19,092.93 and 5,327.43

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Solution

The fourth proportional to 12,726.78, 19,092.93 and 5,327.43 is: 7,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.78 : 19,092.93 = 5,327.43 : x
  2. Step 2: Convert to fraction form
    12,726.78/19,092.93 = 5,327.43/x
  3. Step 3: Cross multiply
    12,726.78x = 19,092.93 × 5,327.43
  4. Step 4: Simplify right side
    12,726.78x = 101,716,248.07
  5. Step 5: Solve for x
    x = 101,716,248.07/12,726.78
  6. Step 6: Final answer
    x = 7,992.30

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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.