Home / 9,930.34-14,886.60-5,481.28

Finding the Fourth Proportional to 9,930.34, 14,886.60 and 5,481.28

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Solution

The fourth proportional to 9,930.34, 14,886.60 and 5,481.28 is: 8,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.34 : 14,886.60 = 5,481.28 : x
  2. Step 2: Convert to fraction form
    9,930.34/14,886.60 = 5,481.28/x
  3. Step 3: Cross multiply
    9,930.34x = 14,886.60 × 5,481.28
  4. Step 4: Simplify right side
    9,930.34x = 81,597,622.85
  5. Step 5: Solve for x
    x = 81,597,622.85/9,930.34
  6. Step 6: Final answer
    x = 8,217.00

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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.