Home / 11,276.88-16,915.92-5,037.36

Finding the Fourth Proportional to 11,276.88, 16,915.92 and 5,037.36

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Solution

The fourth proportional to 11,276.88, 16,915.92 and 5,037.36 is: 7,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.88 : 16,915.92 = 5,037.36 : x
  2. Step 2: Convert to fraction form
    11,276.88/16,915.92 = 5,037.36/x
  3. Step 3: Cross multiply
    11,276.88x = 16,915.92 × 5,037.36
  4. Step 4: Simplify right side
    11,276.88x = 85,211,578.77
  5. Step 5: Solve for x
    x = 85,211,578.77/11,276.88
  6. Step 6: Final answer
    x = 7,556.31

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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.