Home / 12,485.18-18,725.24-4,584.98

Finding the Fourth Proportional to 12,485.18, 18,725.24 and 4,584.98

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Solution

The fourth proportional to 12,485.18, 18,725.24 and 4,584.98 is: 6,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.18 : 18,725.24 = 4,584.98 : x
  2. Step 2: Convert to fraction form
    12,485.18/18,725.24 = 4,584.98/x
  3. Step 3: Cross multiply
    12,485.18x = 18,725.24 × 4,584.98
  4. Step 4: Simplify right side
    12,485.18x = 85,854,827.97
  5. Step 5: Solve for x
    x = 85,854,827.97/12,485.18
  6. Step 6: Final answer
    x = 6,876.54

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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.