Home / 14,761.15-22,121.96-8,087.61

Finding the Fourth Proportional to 14,761.15, 22,121.96 and 8,087.61

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Solution

The fourth proportional to 14,761.15, 22,121.96 and 8,087.61 is: 12,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.15 : 22,121.96 = 8,087.61 : x
  2. Step 2: Convert to fraction form
    14,761.15/22,121.96 = 8,087.61/x
  3. Step 3: Cross multiply
    14,761.15x = 22,121.96 × 8,087.61
  4. Step 4: Simplify right side
    14,761.15x = 178,913,779.60
  5. Step 5: Solve for x
    x = 178,913,779.60/14,761.15
  6. Step 6: Final answer
    x = 12,120.59

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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.