Home / 11,108.80-16,649.70-4,855.60

Finding the Fourth Proportional to 11,108.80, 16,649.70 and 4,855.60

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Solution

The fourth proportional to 11,108.80, 16,649.70 and 4,855.60 is: 7,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.80 : 16,649.70 = 4,855.60 : x
  2. Step 2: Convert to fraction form
    11,108.80/16,649.70 = 4,855.60/x
  3. Step 3: Cross multiply
    11,108.80x = 16,649.70 × 4,855.60
  4. Step 4: Simplify right side
    11,108.80x = 80,844,283.32
  5. Step 5: Solve for x
    x = 80,844,283.32/11,108.80
  6. Step 6: Final answer
    x = 7,277.50

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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.