Home / 10,727.38-16,078.62-6,348.52

Finding the Fourth Proportional to 10,727.38, 16,078.62 and 6,348.52

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Solution

The fourth proportional to 10,727.38, 16,078.62 and 6,348.52 is: 9,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.38 : 16,078.62 = 6,348.52 : x
  2. Step 2: Convert to fraction form
    10,727.38/16,078.62 = 6,348.52/x
  3. Step 3: Cross multiply
    10,727.38x = 16,078.62 × 6,348.52
  4. Step 4: Simplify right side
    10,727.38x = 102,075,440.64
  5. Step 5: Solve for x
    x = 102,075,440.64/10,727.38
  6. Step 6: Final answer
    x = 9,515.41

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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.