Home / 13,177.70-19,769.45-4,171.36

Finding the Fourth Proportional to 13,177.70, 19,769.45 and 4,171.36

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Solution

The fourth proportional to 13,177.70, 19,769.45 and 4,171.36 is: 6,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.70 : 19,769.45 = 4,171.36 : x
  2. Step 2: Convert to fraction form
    13,177.70/19,769.45 = 4,171.36/x
  3. Step 3: Cross multiply
    13,177.70x = 19,769.45 × 4,171.36
  4. Step 4: Simplify right side
    13,177.70x = 82,465,528.60
  5. Step 5: Solve for x
    x = 82,465,528.60/13,177.70
  6. Step 6: Final answer
    x = 6,257.96

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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.