Home / 11,747.88-17,621.48-4,352.18

Finding the Fourth Proportional to 11,747.88, 17,621.48 and 4,352.18

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Solution

The fourth proportional to 11,747.88, 17,621.48 and 4,352.18 is: 6,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.88 : 17,621.48 = 4,352.18 : x
  2. Step 2: Convert to fraction form
    11,747.88/17,621.48 = 4,352.18/x
  3. Step 3: Cross multiply
    11,747.88x = 17,621.48 × 4,352.18
  4. Step 4: Simplify right side
    11,747.88x = 76,691,775.60
  5. Step 5: Solve for x
    x = 76,691,775.60/11,747.88
  6. Step 6: Final answer
    x = 6,528.14

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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.