Home / 10,954.21-16,438.30-3,934.07

Finding the Fourth Proportional to 10,954.21, 16,438.30 and 3,934.07

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Solution

The fourth proportional to 10,954.21, 16,438.30 and 3,934.07 is: 5,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.21 : 16,438.30 = 3,934.07 : x
  2. Step 2: Convert to fraction form
    10,954.21/16,438.30 = 3,934.07/x
  3. Step 3: Cross multiply
    10,954.21x = 16,438.30 × 3,934.07
  4. Step 4: Simplify right side
    10,954.21x = 64,669,454.14
  5. Step 5: Solve for x
    x = 64,669,454.14/10,954.21
  6. Step 6: Final answer
    x = 5,903.62

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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.