Home / 13,850.32-20,779.32-7,996.24

Finding the Fourth Proportional to 13,850.32, 20,779.32 and 7,996.24

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Solution

The fourth proportional to 13,850.32, 20,779.32 and 7,996.24 is: 11,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.32 : 20,779.32 = 7,996.24 : x
  2. Step 2: Convert to fraction form
    13,850.32/20,779.32 = 7,996.24/x
  3. Step 3: Cross multiply
    13,850.32x = 20,779.32 × 7,996.24
  4. Step 4: Simplify right side
    13,850.32x = 166,156,429.76
  5. Step 5: Solve for x
    x = 166,156,429.76/13,850.32
  6. Step 6: Final answer
    x = 11,996.58

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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.