Home / 13,783.82-19,022.07-8,481.74

Finding the Fourth Proportional to 13,783.82, 19,022.07 and 8,481.74

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Solution

The fourth proportional to 13,783.82, 19,022.07 and 8,481.74 is: 11,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.82 : 19,022.07 = 8,481.74 : x
  2. Step 2: Convert to fraction form
    13,783.82/19,022.07 = 8,481.74/x
  3. Step 3: Cross multiply
    13,783.82x = 19,022.07 × 8,481.74
  4. Step 4: Simplify right side
    13,783.82x = 161,340,252.00
  5. Step 5: Solve for x
    x = 161,340,252.00/13,783.82
  6. Step 6: Final answer
    x = 11,705.05

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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.