Home / 13,871.62-20,810.19-4,011.02

Finding the Fourth Proportional to 13,871.62, 20,810.19 and 4,011.02

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Solution

The fourth proportional to 13,871.62, 20,810.19 and 4,011.02 is: 6,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.62 : 20,810.19 = 4,011.02 : x
  2. Step 2: Convert to fraction form
    13,871.62/20,810.19 = 4,011.02/x
  3. Step 3: Cross multiply
    13,871.62x = 20,810.19 × 4,011.02
  4. Step 4: Simplify right side
    13,871.62x = 83,469,984.24
  5. Step 5: Solve for x
    x = 83,469,984.24/13,871.62
  6. Step 6: Final answer
    x = 6,017.32

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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.