Home / 13,914.20-19,200.62-8,248.65

Finding the Fourth Proportional to 13,914.20, 19,200.62 and 8,248.65

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Solution

The fourth proportional to 13,914.20, 19,200.62 and 8,248.65 is: 11,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.20 : 19,200.62 = 8,248.65 : x
  2. Step 2: Convert to fraction form
    13,914.20/19,200.62 = 8,248.65/x
  3. Step 3: Cross multiply
    13,914.20x = 19,200.62 × 8,248.65
  4. Step 4: Simplify right side
    13,914.20x = 158,379,214.78
  5. Step 5: Solve for x
    x = 158,379,214.78/13,914.20
  6. Step 6: Final answer
    x = 11,382.56

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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.