Home / 10,778.43-14,871.69-6,299.94

Finding the Fourth Proportional to 10,778.43, 14,871.69 and 6,299.94

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Solution

The fourth proportional to 10,778.43, 14,871.69 and 6,299.94 is: 8,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.43 : 14,871.69 = 6,299.94 : x
  2. Step 2: Convert to fraction form
    10,778.43/14,871.69 = 6,299.94/x
  3. Step 3: Cross multiply
    10,778.43x = 14,871.69 × 6,299.94
  4. Step 4: Simplify right side
    10,778.43x = 93,690,754.70
  5. Step 5: Solve for x
    x = 93,690,754.70/10,778.43
  6. Step 6: Final answer
    x = 8,692.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.