Home / 18,749.31-25,891.31-12,046.62

Finding the Fourth Proportional to 18,749.31, 25,891.31 and 12,046.62

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Solution

The fourth proportional to 18,749.31, 25,891.31 and 12,046.62 is: 16,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.31 : 25,891.31 = 12,046.62 : x
  2. Step 2: Convert to fraction form
    18,749.31/25,891.31 = 12,046.62/x
  3. Step 3: Cross multiply
    18,749.31x = 25,891.31 × 12,046.62
  4. Step 4: Simplify right side
    18,749.31x = 311,902,705.90
  5. Step 5: Solve for x
    x = 311,902,705.90/18,749.31
  6. Step 6: Final answer
    x = 16,635.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.