Home / 10,989.16-16,486.47-3,197.97

Finding the Fourth Proportional to 10,989.16, 16,486.47 and 3,197.97

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Solution

The fourth proportional to 10,989.16, 16,486.47 and 3,197.97 is: 4,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.16 : 16,486.47 = 3,197.97 : x
  2. Step 2: Convert to fraction form
    10,989.16/16,486.47 = 3,197.97/x
  3. Step 3: Cross multiply
    10,989.16x = 16,486.47 × 3,197.97
  4. Step 4: Simplify right side
    10,989.16x = 52,723,236.47
  5. Step 5: Solve for x
    x = 52,723,236.47/10,989.16
  6. Step 6: Final answer
    x = 4,797.75

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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.