Home / 9,388.80-14,083.74-3,149.64

Finding the Fourth Proportional to 9,388.80, 14,083.74 and 3,149.64

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Solution

The fourth proportional to 9,388.80, 14,083.74 and 3,149.64 is: 4,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.80 : 14,083.74 = 3,149.64 : x
  2. Step 2: Convert to fraction form
    9,388.80/14,083.74 = 3,149.64/x
  3. Step 3: Cross multiply
    9,388.80x = 14,083.74 × 3,149.64
  4. Step 4: Simplify right side
    9,388.80x = 44,358,710.85
  5. Step 5: Solve for x
    x = 44,358,710.85/9,388.80
  6. Step 6: Final answer
    x = 4,724.64

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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.