Home / 11,037.88-16,556.80-7,765.60

Finding the Fourth Proportional to 11,037.88, 16,556.80 and 7,765.60

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Solution

The fourth proportional to 11,037.88, 16,556.80 and 7,765.60 is: 11,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.88 : 16,556.80 = 7,765.60 : x
  2. Step 2: Convert to fraction form
    11,037.88/16,556.80 = 7,765.60/x
  3. Step 3: Cross multiply
    11,037.88x = 16,556.80 × 7,765.60
  4. Step 4: Simplify right side
    11,037.88x = 128,573,486.08
  5. Step 5: Solve for x
    x = 128,573,486.08/11,037.88
  6. Step 6: Final answer
    x = 11,648.39

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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.