Home / 10,777.88-16,167.11-2,986.76

Finding the Fourth Proportional to 10,777.88, 16,167.11 and 2,986.76

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Solution

The fourth proportional to 10,777.88, 16,167.11 and 2,986.76 is: 4,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.88 : 16,167.11 = 2,986.76 : x
  2. Step 2: Convert to fraction form
    10,777.88/16,167.11 = 2,986.76/x
  3. Step 3: Cross multiply
    10,777.88x = 16,167.11 × 2,986.76
  4. Step 4: Simplify right side
    10,777.88x = 48,287,302.95
  5. Step 5: Solve for x
    x = 48,287,302.95/10,777.88
  6. Step 6: Final answer
    x = 4,480.22

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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.