Home / 12,198.02-18,293.40-5,177.94

Finding the Fourth Proportional to 12,198.02, 18,293.40 and 5,177.94

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Solution

The fourth proportional to 12,198.02, 18,293.40 and 5,177.94 is: 7,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.02 : 18,293.40 = 5,177.94 : x
  2. Step 2: Convert to fraction form
    12,198.02/18,293.40 = 5,177.94/x
  3. Step 3: Cross multiply
    12,198.02x = 18,293.40 × 5,177.94
  4. Step 4: Simplify right side
    12,198.02x = 94,722,127.60
  5. Step 5: Solve for x
    x = 94,722,127.60/12,198.02
  6. Step 6: Final answer
    x = 7,765.37

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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.