Home / 10,865.70-16,294.41-4,621.82

Finding the Fourth Proportional to 10,865.70, 16,294.41 and 4,621.82

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Solution

The fourth proportional to 10,865.70, 16,294.41 and 4,621.82 is: 6,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.70 : 16,294.41 = 4,621.82 : x
  2. Step 2: Convert to fraction form
    10,865.70/16,294.41 = 4,621.82/x
  3. Step 3: Cross multiply
    10,865.70x = 16,294.41 × 4,621.82
  4. Step 4: Simplify right side
    10,865.70x = 75,309,748.55
  5. Step 5: Solve for x
    x = 75,309,748.55/10,865.70
  6. Step 6: Final answer
    x = 6,930.96

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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.