Home / 21,641.93-29,867.36-12,083.69

Finding the Fourth Proportional to 21,641.93, 29,867.36 and 12,083.69

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Solution

The fourth proportional to 21,641.93, 29,867.36 and 12,083.69 is: 16,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.93 : 29,867.36 = 12,083.69 : x
  2. Step 2: Convert to fraction form
    21,641.93/29,867.36 = 12,083.69/x
  3. Step 3: Cross multiply
    21,641.93x = 29,867.36 × 12,083.69
  4. Step 4: Simplify right side
    21,641.93x = 360,907,709.60
  5. Step 5: Solve for x
    x = 360,907,709.60/21,641.93
  6. Step 6: Final answer
    x = 16,676.32

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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.