Home / 20,694.05-31,045.70-7,546.42

Finding the Fourth Proportional to 20,694.05, 31,045.70 and 7,546.42

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Solution

The fourth proportional to 20,694.05, 31,045.70 and 7,546.42 is: 11,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.05 : 31,045.70 = 7,546.42 : x
  2. Step 2: Convert to fraction form
    20,694.05/31,045.70 = 7,546.42/x
  3. Step 3: Cross multiply
    20,694.05x = 31,045.70 × 7,546.42
  4. Step 4: Simplify right side
    20,694.05x = 234,283,949.07
  5. Step 5: Solve for x
    x = 234,283,949.07/20,694.05
  6. Step 6: Final answer
    x = 11,321.32

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1.5x scale

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.