Home / 13,884.01-20,820.85-4,996.96

Finding the Fourth Proportional to 13,884.01, 20,820.85 and 4,996.96

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Solution

The fourth proportional to 13,884.01, 20,820.85 and 4,996.96 is: 7,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.01 : 20,820.85 = 4,996.96 : x
  2. Step 2: Convert to fraction form
    13,884.01/20,820.85 = 4,996.96/x
  3. Step 3: Cross multiply
    13,884.01x = 20,820.85 × 4,996.96
  4. Step 4: Simplify right side
    13,884.01x = 104,040,890.07
  5. Step 5: Solve for x
    x = 104,040,890.07/13,884.01
  6. Step 6: Final answer
    x = 7,493.58

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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.