Home / 13,425.93-20,137.31-3,565.97

Finding the Fourth Proportional to 13,425.93, 20,137.31 and 3,565.97

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Solution

The fourth proportional to 13,425.93, 20,137.31 and 3,565.97 is: 5,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.93 : 20,137.31 = 3,565.97 : x
  2. Step 2: Convert to fraction form
    13,425.93/20,137.31 = 3,565.97/x
  3. Step 3: Cross multiply
    13,425.93x = 20,137.31 × 3,565.97
  4. Step 4: Simplify right side
    13,425.93x = 71,808,924.82
  5. Step 5: Solve for x
    x = 71,808,924.82/13,425.93
  6. Step 6: Final answer
    x = 5,348.53

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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.