Home / 16,904.88-25,346.52-8,122.32

Finding the Fourth Proportional to 16,904.88, 25,346.52 and 8,122.32

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Solution

The fourth proportional to 16,904.88, 25,346.52 and 8,122.32 is: 12,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.88 : 25,346.52 = 8,122.32 : x
  2. Step 2: Convert to fraction form
    16,904.88/25,346.52 = 8,122.32/x
  3. Step 3: Cross multiply
    16,904.88x = 25,346.52 × 8,122.32
  4. Step 4: Simplify right side
    16,904.88x = 205,872,546.33
  5. Step 5: Solve for x
    x = 205,872,546.33/16,904.88
  6. Step 6: Final answer
    x = 12,178.29

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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.