Home / 11,630.40-17,447.90-3,310.74

Finding the Fourth Proportional to 11,630.40, 17,447.90 and 3,310.74

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Solution

The fourth proportional to 11,630.40, 17,447.90 and 3,310.74 is: 4,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630.40 : 17,447.90 = 3,310.74 : x
  2. Step 2: Convert to fraction form
    11,630.40/17,447.90 = 3,310.74/x
  3. Step 3: Cross multiply
    11,630.40x = 17,447.90 × 3,310.74
  4. Step 4: Simplify right side
    11,630.40x = 57,765,443.89
  5. Step 5: Solve for x
    x = 57,765,443.89/11,630.40
  6. Step 6: Final answer
    x = 4,966.76

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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.