Home / 10,861.61-16,277.67-4,613.78

Finding the Fourth Proportional to 10,861.61, 16,277.67 and 4,613.78

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Solution

The fourth proportional to 10,861.61, 16,277.67 and 4,613.78 is: 6,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.61 : 16,277.67 = 4,613.78 : x
  2. Step 2: Convert to fraction form
    10,861.61/16,277.67 = 4,613.78/x
  3. Step 3: Cross multiply
    10,861.61x = 16,277.67 × 4,613.78
  4. Step 4: Simplify right side
    10,861.61x = 75,101,628.99
  5. Step 5: Solve for x
    x = 75,101,628.99/10,861.61
  6. Step 6: Final answer
    x = 6,914.41

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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.