Home / 14,546.10-21,820.85-5,187.44

Finding the Fourth Proportional to 14,546.10, 21,820.85 and 5,187.44

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Solution

The fourth proportional to 14,546.10, 21,820.85 and 5,187.44 is: 7,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.10 : 21,820.85 = 5,187.44 : x
  2. Step 2: Convert to fraction form
    14,546.10/21,820.85 = 5,187.44/x
  3. Step 3: Cross multiply
    14,546.10x = 21,820.85 × 5,187.44
  4. Step 4: Simplify right side
    14,546.10x = 113,194,469.75
  5. Step 5: Solve for x
    x = 113,194,469.75/14,546.10
  6. Step 6: Final answer
    x = 7,781.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.