Home / 10,244.58-15,371.68-5,311.54

Finding the Fourth Proportional to 10,244.58, 15,371.68 and 5,311.54

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Solution

The fourth proportional to 10,244.58, 15,371.68 and 5,311.54 is: 7,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.58 : 15,371.68 = 5,311.54 : x
  2. Step 2: Convert to fraction form
    10,244.58/15,371.68 = 5,311.54/x
  3. Step 3: Cross multiply
    10,244.58x = 15,371.68 × 5,311.54
  4. Step 4: Simplify right side
    10,244.58x = 81,647,293.19
  5. Step 5: Solve for x
    x = 81,647,293.19/10,244.58
  6. Step 6: Final answer
    x = 7,969.80

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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.