Home / 21,493.89-29,664.47-12,062.97

Finding the Fourth Proportional to 21,493.89, 29,664.47 and 12,062.97

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Solution

The fourth proportional to 21,493.89, 29,664.47 and 12,062.97 is: 16,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.89 : 29,664.47 = 12,062.97 : x
  2. Step 2: Convert to fraction form
    21,493.89/29,664.47 = 12,062.97/x
  3. Step 3: Cross multiply
    21,493.89x = 29,664.47 × 12,062.97
  4. Step 4: Simplify right side
    21,493.89x = 357,841,551.36
  5. Step 5: Solve for x
    x = 357,841,551.36/21,493.89
  6. Step 6: Final answer
    x = 16,648.52

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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.