Home / 13,020.25-19,533.71-3,786.25

Finding the Fourth Proportional to 13,020.25, 19,533.71 and 3,786.25

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Solution

The fourth proportional to 13,020.25, 19,533.71 and 3,786.25 is: 5,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.25 : 19,533.71 = 3,786.25 : x
  2. Step 2: Convert to fraction form
    13,020.25/19,533.71 = 3,786.25/x
  3. Step 3: Cross multiply
    13,020.25x = 19,533.71 × 3,786.25
  4. Step 4: Simplify right side
    13,020.25x = 73,959,509.49
  5. Step 5: Solve for x
    x = 73,959,509.49/13,020.25
  6. Step 6: Final answer
    x = 5,680.34

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1.5x scale

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.