Home / 10,872.96-16,311.28-3,477.44

Finding the Fourth Proportional to 10,872.96, 16,311.28 and 3,477.44

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Solution

The fourth proportional to 10,872.96, 16,311.28 and 3,477.44 is: 5,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.96 : 16,311.28 = 3,477.44 : x
  2. Step 2: Convert to fraction form
    10,872.96/16,311.28 = 3,477.44/x
  3. Step 3: Cross multiply
    10,872.96x = 16,311.28 × 3,477.44
  4. Step 4: Simplify right side
    10,872.96x = 56,721,497.52
  5. Step 5: Solve for x
    x = 56,721,497.52/10,872.96
  6. Step 6: Final answer
    x = 5,216.75

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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.