Home / 21,493.73-29,664.09-12,062.30

Finding the Fourth Proportional to 21,493.73, 29,664.09 and 12,062.30

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Solution

The fourth proportional to 21,493.73, 29,664.09 and 12,062.30 is: 16,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.73 : 29,664.09 = 12,062.30 : x
  2. Step 2: Convert to fraction form
    21,493.73/29,664.09 = 12,062.30/x
  3. Step 3: Cross multiply
    21,493.73x = 29,664.09 × 12,062.30
  4. Step 4: Simplify right side
    21,493.73x = 357,817,004.49
  5. Step 5: Solve for x
    x = 357,817,004.49/21,493.73
  6. Step 6: Final answer
    x = 16,647.50

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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.