Home / 14,485.48-21,731.61-4,489.70

Finding the Fourth Proportional to 14,485.48, 21,731.61 and 4,489.70

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Solution

The fourth proportional to 14,485.48, 21,731.61 and 4,489.70 is: 6,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.48 : 21,731.61 = 4,489.70 : x
  2. Step 2: Convert to fraction form
    14,485.48/21,731.61 = 4,489.70/x
  3. Step 3: Cross multiply
    14,485.48x = 21,731.61 × 4,489.70
  4. Step 4: Simplify right side
    14,485.48x = 97,568,485.17
  5. Step 5: Solve for x
    x = 97,568,485.17/14,485.48
  6. Step 6: Final answer
    x = 6,735.61

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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.