Home / 10,851.18-16,276.90-3,455.60

Finding the Fourth Proportional to 10,851.18, 16,276.90 and 3,455.60

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Solution

The fourth proportional to 10,851.18, 16,276.90 and 3,455.60 is: 5,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.18 : 16,276.90 = 3,455.60 : x
  2. Step 2: Convert to fraction form
    10,851.18/16,276.90 = 3,455.60/x
  3. Step 3: Cross multiply
    10,851.18x = 16,276.90 × 3,455.60
  4. Step 4: Simplify right side
    10,851.18x = 56,246,455.64
  5. Step 5: Solve for x
    x = 56,246,455.64/10,851.18
  6. Step 6: Final answer
    x = 5,183.44

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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.