Home / 9,519-14,268.78-3,975.36

Finding the Fourth Proportional to 9,519, 14,268.78 and 3,975.36

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Solution

The fourth proportional to 9,519, 14,268.78 and 3,975.36 is: 5,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519 : 14,268.78 = 3,975.36 : x
  2. Step 2: Convert to fraction form
    9,519/14,268.78 = 3,975.36/x
  3. Step 3: Cross multiply
    9,519x = 14,268.78 × 3,975.36
  4. Step 4: Simplify right side
    9,519x = 56,723,537.26
  5. Step 5: Solve for x
    x = 56,723,537.26/9,519
  6. Step 6: Final answer
    x = 5,958.98

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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.