Home / 11,171.32-16,756.87-2,851.22

Finding the Fourth Proportional to 11,171.32, 16,756.87 and 2,851.22

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Solution

The fourth proportional to 11,171.32, 16,756.87 and 2,851.22 is: 4,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.32 : 16,756.87 = 2,851.22 : x
  2. Step 2: Convert to fraction form
    11,171.32/16,756.87 = 2,851.22/x
  3. Step 3: Cross multiply
    11,171.32x = 16,756.87 × 2,851.22
  4. Step 4: Simplify right side
    11,171.32x = 47,777,488.12
  5. Step 5: Solve for x
    x = 47,777,488.12/11,171.32
  6. Step 6: Final answer
    x = 4,276.80

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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.