Home / 10,197.98-15,296.16-3,177.80

Finding the Fourth Proportional to 10,197.98, 15,296.16 and 3,177.80

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Solution

The fourth proportional to 10,197.98, 15,296.16 and 3,177.80 is: 4,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.98 : 15,296.16 = 3,177.80 : x
  2. Step 2: Convert to fraction form
    10,197.98/15,296.16 = 3,177.80/x
  3. Step 3: Cross multiply
    10,197.98x = 15,296.16 × 3,177.80
  4. Step 4: Simplify right side
    10,197.98x = 48,608,137.25
  5. Step 5: Solve for x
    x = 48,608,137.25/10,197.98
  6. Step 6: Final answer
    x = 4,766.45

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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.