Home / 15,866.13-21,897.86-12,083.25

Finding the Fourth Proportional to 15,866.13, 21,897.86 and 12,083.25

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Solution

The fourth proportional to 15,866.13, 21,897.86 and 12,083.25 is: 16,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.13 : 21,897.86 = 12,083.25 : x
  2. Step 2: Convert to fraction form
    15,866.13/21,897.86 = 12,083.25/x
  3. Step 3: Cross multiply
    15,866.13x = 21,897.86 × 12,083.25
  4. Step 4: Simplify right side
    15,866.13x = 264,597,256.43
  5. Step 5: Solve for x
    x = 264,597,256.43/15,866.13
  6. Step 6: Final answer
    x = 16,676.86

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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.