Home / 10,778.17-16,167.53-2,986.96

Finding the Fourth Proportional to 10,778.17, 16,167.53 and 2,986.96

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Solution

The fourth proportional to 10,778.17, 16,167.53 and 2,986.96 is: 4,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.17 : 16,167.53 = 2,986.96 : x
  2. Step 2: Convert to fraction form
    10,778.17/16,167.53 = 2,986.96/x
  3. Step 3: Cross multiply
    10,778.17x = 16,167.53 × 2,986.96
  4. Step 4: Simplify right side
    10,778.17x = 48,291,765.41
  5. Step 5: Solve for x
    x = 48,291,765.41/10,778.17
  6. Step 6: Final answer
    x = 4,480.52

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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.