Home / 11,431.88-17,157.56-4,511.24

Finding the Fourth Proportional to 11,431.88, 17,157.56 and 4,511.24

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Solution

The fourth proportional to 11,431.88, 17,157.56 and 4,511.24 is: 6,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.88 : 17,157.56 = 4,511.24 : x
  2. Step 2: Convert to fraction form
    11,431.88/17,157.56 = 4,511.24/x
  3. Step 3: Cross multiply
    11,431.88x = 17,157.56 × 4,511.24
  4. Step 4: Simplify right side
    11,431.88x = 77,401,870.97
  5. Step 5: Solve for x
    x = 77,401,870.97/11,431.88
  6. Step 6: Final answer
    x = 6,770.70

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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.