Home / 11,890.44-17,829.18-4,959.72

Finding the Fourth Proportional to 11,890.44, 17,829.18 and 4,959.72

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Solution

The fourth proportional to 11,890.44, 17,829.18 and 4,959.72 is: 7,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.44 : 17,829.18 = 4,959.72 : x
  2. Step 2: Convert to fraction form
    11,890.44/17,829.18 = 4,959.72/x
  3. Step 3: Cross multiply
    11,890.44x = 17,829.18 × 4,959.72
  4. Step 4: Simplify right side
    11,890.44x = 88,427,740.63
  5. Step 5: Solve for x
    x = 88,427,740.63/11,890.44
  6. Step 6: Final answer
    x = 7,436.88

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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.