Home / 12,669.18-18,998.24-4,872.50

Finding the Fourth Proportional to 12,669.18, 18,998.24 and 4,872.50

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Solution

The fourth proportional to 12,669.18, 18,998.24 and 4,872.50 is: 7,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.18 : 18,998.24 = 4,872.50 : x
  2. Step 2: Convert to fraction form
    12,669.18/18,998.24 = 4,872.50/x
  3. Step 3: Cross multiply
    12,669.18x = 18,998.24 × 4,872.50
  4. Step 4: Simplify right side
    12,669.18x = 92,568,924.40
  5. Step 5: Solve for x
    x = 92,568,924.40/12,669.18
  6. Step 6: Final answer
    x = 7,306.62

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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.