Home / 10,950.40-16,425.60-4,381.30

Finding the Fourth Proportional to 10,950.40, 16,425.60 and 4,381.30

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Solution

The fourth proportional to 10,950.40, 16,425.60 and 4,381.30 is: 6,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.40 : 16,425.60 = 4,381.30 : x
  2. Step 2: Convert to fraction form
    10,950.40/16,425.60 = 4,381.30/x
  3. Step 3: Cross multiply
    10,950.40x = 16,425.60 × 4,381.30
  4. Step 4: Simplify right side
    10,950.40x = 71,965,481.28
  5. Step 5: Solve for x
    x = 71,965,481.28/10,950.40
  6. Step 6: Final answer
    x = 6,571.95

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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.