Home / 21,058.44-29,062.43-12,109.02

Finding the Fourth Proportional to 21,058.44, 29,062.43 and 12,109.02

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Solution

The fourth proportional to 21,058.44, 29,062.43 and 12,109.02 is: 16,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.44 : 29,062.43 = 12,109.02 : x
  2. Step 2: Convert to fraction form
    21,058.44/29,062.43 = 12,109.02/x
  3. Step 3: Cross multiply
    21,058.44x = 29,062.43 × 12,109.02
  4. Step 4: Simplify right side
    21,058.44x = 351,917,546.12
  5. Step 5: Solve for x
    x = 351,917,546.12/21,058.44
  6. Step 6: Final answer
    x = 16,711.47

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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.