Home / 10,855.46-16,282.92-4,613.78

Finding the Fourth Proportional to 10,855.46, 16,282.92 and 4,613.78

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Solution

The fourth proportional to 10,855.46, 16,282.92 and 4,613.78 is: 6,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.46 : 16,282.92 = 4,613.78 : x
  2. Step 2: Convert to fraction form
    10,855.46/16,282.92 = 4,613.78/x
  3. Step 3: Cross multiply
    10,855.46x = 16,282.92 × 4,613.78
  4. Step 4: Simplify right side
    10,855.46x = 75,125,810.64
  5. Step 5: Solve for x
    x = 75,125,810.64/10,855.46
  6. Step 6: Final answer
    x = 6,920.56

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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.