Home / 13,252.56-19,873.92-3,890

Finding the Fourth Proportional to 13,252.56, 19,873.92 and 3,890

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Solution

The fourth proportional to 13,252.56, 19,873.92 and 3,890 is: 5,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.56 : 19,873.92 = 3,890 : x
  2. Step 2: Convert to fraction form
    13,252.56/19,873.92 = 3,890/x
  3. Step 3: Cross multiply
    13,252.56x = 19,873.92 × 3,890
  4. Step 4: Simplify right side
    13,252.56x = 77,309,548.80
  5. Step 5: Solve for x
    x = 77,309,548.80/13,252.56
  6. Step 6: Final answer
    x = 5,833.56

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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.