Home / 9,716.58-14,575.14-3,143.43

Finding the Fourth Proportional to 9,716.58, 14,575.14 and 3,143.43

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Solution

The fourth proportional to 9,716.58, 14,575.14 and 3,143.43 is: 4,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.58 : 14,575.14 = 3,143.43 : x
  2. Step 2: Convert to fraction form
    9,716.58/14,575.14 = 3,143.43/x
  3. Step 3: Cross multiply
    9,716.58x = 14,575.14 × 3,143.43
  4. Step 4: Simplify right side
    9,716.58x = 45,815,932.33
  5. Step 5: Solve for x
    x = 45,815,932.33/9,716.58
  6. Step 6: Final answer
    x = 4,715.23

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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.