Home / 11,474.40-17,211.80-3,154.36

Finding the Fourth Proportional to 11,474.40, 17,211.80 and 3,154.36

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Solution

The fourth proportional to 11,474.40, 17,211.80 and 3,154.36 is: 4,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.40 : 17,211.80 = 3,154.36 : x
  2. Step 2: Convert to fraction form
    11,474.40/17,211.80 = 3,154.36/x
  3. Step 3: Cross multiply
    11,474.40x = 17,211.80 × 3,154.36
  4. Step 4: Simplify right side
    11,474.40x = 54,292,178.30
  5. Step 5: Solve for x
    x = 54,292,178.30/11,474.40
  6. Step 6: Final answer
    x = 4,731.59

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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.