Home / 12,600.21-17,387.61-6,933.85

Finding the Fourth Proportional to 12,600.21, 17,387.61 and 6,933.85

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Solution

The fourth proportional to 12,600.21, 17,387.61 and 6,933.85 is: 9,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.21 : 17,387.61 = 6,933.85 : x
  2. Step 2: Convert to fraction form
    12,600.21/17,387.61 = 6,933.85/x
  3. Step 3: Cross multiply
    12,600.21x = 17,387.61 × 6,933.85
  4. Step 4: Simplify right side
    12,600.21x = 120,563,146.94
  5. Step 5: Solve for x
    x = 120,563,146.94/12,600.21
  6. Step 6: Final answer
    x = 9,568.35

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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.