Home / 14,576.55-21,863.61-8,728.89

Finding the Fourth Proportional to 14,576.55, 21,863.61 and 8,728.89

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Solution

The fourth proportional to 14,576.55, 21,863.61 and 8,728.89 is: 13,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.55 : 21,863.61 = 8,728.89 : x
  2. Step 2: Convert to fraction form
    14,576.55/21,863.61 = 8,728.89/x
  3. Step 3: Cross multiply
    14,576.55x = 21,863.61 × 8,728.89
  4. Step 4: Simplify right side
    14,576.55x = 190,845,046.69
  5. Step 5: Solve for x
    x = 190,845,046.69/14,576.55
  6. Step 6: Final answer
    x = 13,092.61

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1.5x scale

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.