Home / 16,899.05-25,318.20-8,114.60

Finding the Fourth Proportional to 16,899.05, 25,318.20 and 8,114.60

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Solution

The fourth proportional to 16,899.05, 25,318.20 and 8,114.60 is: 12,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.05 : 25,318.20 = 8,114.60 : x
  2. Step 2: Convert to fraction form
    16,899.05/25,318.20 = 8,114.60/x
  3. Step 3: Cross multiply
    16,899.05x = 25,318.20 × 8,114.60
  4. Step 4: Simplify right side
    16,899.05x = 205,447,065.72
  5. Step 5: Solve for x
    x = 205,447,065.72/16,899.05
  6. Step 6: Final answer
    x = 12,157.31

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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.