Home / 13,504.32-20,262.72-5,181.56

Finding the Fourth Proportional to 13,504.32, 20,262.72 and 5,181.56

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Solution

The fourth proportional to 13,504.32, 20,262.72 and 5,181.56 is: 7,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.32 : 20,262.72 = 5,181.56 : x
  2. Step 2: Convert to fraction form
    13,504.32/20,262.72 = 5,181.56/x
  3. Step 3: Cross multiply
    13,504.32x = 20,262.72 × 5,181.56
  4. Step 4: Simplify right side
    13,504.32x = 104,992,499.44
  5. Step 5: Solve for x
    x = 104,992,499.44/13,504.32
  6. Step 6: Final answer
    x = 7,774.73

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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.