Home / 9,420.62-14,122.82-3,581.42

Finding the Fourth Proportional to 9,420.62, 14,122.82 and 3,581.42

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Solution

The fourth proportional to 9,420.62, 14,122.82 and 3,581.42 is: 5,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.62 : 14,122.82 = 3,581.42 : x
  2. Step 2: Convert to fraction form
    9,420.62/14,122.82 = 3,581.42/x
  3. Step 3: Cross multiply
    9,420.62x = 14,122.82 × 3,581.42
  4. Step 4: Simplify right side
    9,420.62x = 50,579,688.34
  5. Step 5: Solve for x
    x = 50,579,688.34/9,420.62
  6. Step 6: Final answer
    x = 5,369.04

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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.