Home / 11,650.21-17,479.26-5,080.70

Finding the Fourth Proportional to 11,650.21, 17,479.26 and 5,080.70

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Solution

The fourth proportional to 11,650.21, 17,479.26 and 5,080.70 is: 7,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.21 : 17,479.26 = 5,080.70 : x
  2. Step 2: Convert to fraction form
    11,650.21/17,479.26 = 5,080.70/x
  3. Step 3: Cross multiply
    11,650.21x = 17,479.26 × 5,080.70
  4. Step 4: Simplify right side
    11,650.21x = 88,806,876.28
  5. Step 5: Solve for x
    x = 88,806,876.28/11,650.21
  6. Step 6: Final answer
    x = 7,622.77

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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.