Home / 11,986.02-17,982.54-6,146.70

Finding the Fourth Proportional to 11,986.02, 17,982.54 and 6,146.70

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Solution

The fourth proportional to 11,986.02, 17,982.54 and 6,146.70 is: 9,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.02 : 17,982.54 = 6,146.70 : x
  2. Step 2: Convert to fraction form
    11,986.02/17,982.54 = 6,146.70/x
  3. Step 3: Cross multiply
    11,986.02x = 17,982.54 × 6,146.70
  4. Step 4: Simplify right side
    11,986.02x = 110,533,278.62
  5. Step 5: Solve for x
    x = 110,533,278.62/11,986.02
  6. Step 6: Final answer
    x = 9,221.85

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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.