Home / 11,273-16,919.48-5,357.16

Finding the Fourth Proportional to 11,273, 16,919.48 and 5,357.16

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Solution

The fourth proportional to 11,273, 16,919.48 and 5,357.16 is: 8,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273 : 16,919.48 = 5,357.16 : x
  2. Step 2: Convert to fraction form
    11,273/16,919.48 = 5,357.16/x
  3. Step 3: Cross multiply
    11,273x = 16,919.48 × 5,357.16
  4. Step 4: Simplify right side
    11,273x = 90,640,361.48
  5. Step 5: Solve for x
    x = 90,640,361.48/11,273
  6. Step 6: Final answer
    x = 8,040.48

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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.