Home / 11,447.98-17,166.60-4,431.30

Finding the Fourth Proportional to 11,447.98, 17,166.60 and 4,431.30

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Solution

The fourth proportional to 11,447.98, 17,166.60 and 4,431.30 is: 6,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.98 : 17,166.60 = 4,431.30 : x
  2. Step 2: Convert to fraction form
    11,447.98/17,166.60 = 4,431.30/x
  3. Step 3: Cross multiply
    11,447.98x = 17,166.60 × 4,431.30
  4. Step 4: Simplify right side
    11,447.98x = 76,070,354.58
  5. Step 5: Solve for x
    x = 76,070,354.58/11,447.98
  6. Step 6: Final answer
    x = 6,644.87

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1.5x scale

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.