Home / 19,801.22-29,668.86-13,945.52

Finding the Fourth Proportional to 19,801.22, 29,668.86 and 13,945.52

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Solution

The fourth proportional to 19,801.22, 29,668.86 and 13,945.52 is: 20,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.22 : 29,668.86 = 13,945.52 : x
  2. Step 2: Convert to fraction form
    19,801.22/29,668.86 = 13,945.52/x
  3. Step 3: Cross multiply
    19,801.22x = 29,668.86 × 13,945.52
  4. Step 4: Simplify right side
    19,801.22x = 413,747,680.51
  5. Step 5: Solve for x
    x = 413,747,680.51/19,801.22
  6. Step 6: Final answer
    x = 20,895.06

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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.