Home / 14,546.25-21,819.38-4,158

Finding the Fourth Proportional to 14,546.25, 21,819.38 and 4,158

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Solution

The fourth proportional to 14,546.25, 21,819.38 and 4,158 is: 6,237

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.25 : 21,819.38 = 4,158 : x
  2. Step 2: Convert to fraction form
    14,546.25/21,819.38 = 4,158/x
  3. Step 3: Cross multiply
    14,546.25x = 21,819.38 × 4,158
  4. Step 4: Simplify right side
    14,546.25x = 90,724,961.25
  5. Step 5: Solve for x
    x = 90,724,961.25/14,546.25
  6. Step 6: Final answer
    x = 6,237

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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.