Home / 11,294.58-16,929.99-5,438.82

Finding the Fourth Proportional to 11,294.58, 16,929.99 and 5,438.82

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Solution

The fourth proportional to 11,294.58, 16,929.99 and 5,438.82 is: 8,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.58 : 16,929.99 = 5,438.82 : x
  2. Step 2: Convert to fraction form
    11,294.58/16,929.99 = 5,438.82/x
  3. Step 3: Cross multiply
    11,294.58x = 16,929.99 × 5,438.82
  4. Step 4: Simplify right side
    11,294.58x = 92,079,168.21
  5. Step 5: Solve for x
    x = 92,079,168.21/11,294.58
  6. Step 6: Final answer
    x = 8,152.51

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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.