Home / 14,180.85-19,571.75-8,518.75

Finding the Fourth Proportional to 14,180.85, 19,571.75 and 8,518.75

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Solution

The fourth proportional to 14,180.85, 19,571.75 and 8,518.75 is: 11,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.85 : 19,571.75 = 8,518.75 : x
  2. Step 2: Convert to fraction form
    14,180.85/19,571.75 = 8,518.75/x
  3. Step 3: Cross multiply
    14,180.85x = 19,571.75 × 8,518.75
  4. Step 4: Simplify right side
    14,180.85x = 166,726,845.31
  5. Step 5: Solve for x
    x = 166,726,845.31/14,180.85
  6. Step 6: Final answer
    x = 11,757.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.