Home / 21,546.48-29,734.32-12,114.96

Finding the Fourth Proportional to 21,546.48, 29,734.32 and 12,114.96

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Solution

The fourth proportional to 21,546.48, 29,734.32 and 12,114.96 is: 16,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.48 : 29,734.32 = 12,114.96 : x
  2. Step 2: Convert to fraction form
    21,546.48/29,734.32 = 12,114.96/x
  3. Step 3: Cross multiply
    21,546.48x = 29,734.32 × 12,114.96
  4. Step 4: Simplify right side
    21,546.48x = 360,230,097.43
  5. Step 5: Solve for x
    x = 360,230,097.43/21,546.48
  6. Step 6: Final answer
    x = 16,718.74

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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.