Home / 13,732.11-20,602.04-3,871.48

Finding the Fourth Proportional to 13,732.11, 20,602.04 and 3,871.48

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Solution

The fourth proportional to 13,732.11, 20,602.04 and 3,871.48 is: 5,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.11 : 20,602.04 = 3,871.48 : x
  2. Step 2: Convert to fraction form
    13,732.11/20,602.04 = 3,871.48/x
  3. Step 3: Cross multiply
    13,732.11x = 20,602.04 × 3,871.48
  4. Step 4: Simplify right side
    13,732.11x = 79,760,385.82
  5. Step 5: Solve for x
    x = 79,760,385.82/13,732.11
  6. Step 6: Final answer
    x = 5,808.31

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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.