Home / 11,748.98-17,628.08-5,170.55

Finding the Fourth Proportional to 11,748.98, 17,628.08 and 5,170.55

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Solution

The fourth proportional to 11,748.98, 17,628.08 and 5,170.55 is: 7,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.98 : 17,628.08 = 5,170.55 : x
  2. Step 2: Convert to fraction form
    11,748.98/17,628.08 = 5,170.55/x
  3. Step 3: Cross multiply
    11,748.98x = 17,628.08 × 5,170.55
  4. Step 4: Simplify right side
    11,748.98x = 91,146,755.05
  5. Step 5: Solve for x
    x = 91,146,755.05/11,748.98
  6. Step 6: Final answer
    x = 7,757.85

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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.