Home / 13,874.87-20,811.70-4,013.93

Finding the Fourth Proportional to 13,874.87, 20,811.70 and 4,013.93

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Solution

The fourth proportional to 13,874.87, 20,811.70 and 4,013.93 is: 6,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.87 : 20,811.70 = 4,013.93 : x
  2. Step 2: Convert to fraction form
    13,874.87/20,811.70 = 4,013.93/x
  3. Step 3: Cross multiply
    13,874.87x = 20,811.70 × 4,013.93
  4. Step 4: Simplify right side
    13,874.87x = 83,536,706.98
  5. Step 5: Solve for x
    x = 83,536,706.98/13,874.87
  6. Step 6: Final answer
    x = 6,020.72

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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.