Home / 9,163.69-13,746.88-3,318.93

Finding the Fourth Proportional to 9,163.69, 13,746.88 and 3,318.93

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Solution

The fourth proportional to 9,163.69, 13,746.88 and 3,318.93 is: 4,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.69 : 13,746.88 = 3,318.93 : x
  2. Step 2: Convert to fraction form
    9,163.69/13,746.88 = 3,318.93/x
  3. Step 3: Cross multiply
    9,163.69x = 13,746.88 × 3,318.93
  4. Step 4: Simplify right side
    9,163.69x = 45,624,932.44
  5. Step 5: Solve for x
    x = 45,624,932.44/9,163.69
  6. Step 6: Final answer
    x = 4,978.88

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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.