Home / 15,453.23-23,181.65-4,919.56

Finding the Fourth Proportional to 15,453.23, 23,181.65 and 4,919.56

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Solution

The fourth proportional to 15,453.23, 23,181.65 and 4,919.56 is: 7,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.23 : 23,181.65 = 4,919.56 : x
  2. Step 2: Convert to fraction form
    15,453.23/23,181.65 = 4,919.56/x
  3. Step 3: Cross multiply
    15,453.23x = 23,181.65 × 4,919.56
  4. Step 4: Simplify right side
    15,453.23x = 114,043,453.97
  5. Step 5: Solve for x
    x = 114,043,453.97/15,453.23
  6. Step 6: Final answer
    x = 7,379.91

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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.