Home / 12,197.43-16,835.91-7,161.84

Finding the Fourth Proportional to 12,197.43, 16,835.91 and 7,161.84

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Solution

The fourth proportional to 12,197.43, 16,835.91 and 7,161.84 is: 9,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.43 : 16,835.91 = 7,161.84 : x
  2. Step 2: Convert to fraction form
    12,197.43/16,835.91 = 7,161.84/x
  3. Step 3: Cross multiply
    12,197.43x = 16,835.91 × 7,161.84
  4. Step 4: Simplify right side
    12,197.43x = 120,576,093.67
  5. Step 5: Solve for x
    x = 120,576,093.67/12,197.43
  6. Step 6: Final answer
    x = 9,885.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.