Home / 21,641.98-29,867.44-12,083.75

Finding the Fourth Proportional to 21,641.98, 29,867.44 and 12,083.75

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Solution

The fourth proportional to 21,641.98, 29,867.44 and 12,083.75 is: 16,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.98 : 29,867.44 = 12,083.75 : x
  2. Step 2: Convert to fraction form
    21,641.98/29,867.44 = 12,083.75/x
  3. Step 3: Cross multiply
    21,641.98x = 29,867.44 × 12,083.75
  4. Step 4: Simplify right side
    21,641.98x = 360,910,678.10
  5. Step 5: Solve for x
    x = 360,910,678.10/21,641.98
  6. Step 6: Final answer
    x = 16,676.42

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1.5x scale

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.