Home / 13,201.26-19,801.89-3,340.59

Finding the Fourth Proportional to 13,201.26, 19,801.89 and 3,340.59

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Solution

The fourth proportional to 13,201.26, 19,801.89 and 3,340.59 is: 5,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.26 : 19,801.89 = 3,340.59 : x
  2. Step 2: Convert to fraction form
    13,201.26/19,801.89 = 3,340.59/x
  3. Step 3: Cross multiply
    13,201.26x = 19,801.89 × 3,340.59
  4. Step 4: Simplify right side
    13,201.26x = 66,149,995.72
  5. Step 5: Solve for x
    x = 66,149,995.72/13,201.26
  6. Step 6: Final answer
    x = 5,010.89

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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.