Home / 10,894.36-16,331.76-3,964

Finding the Fourth Proportional to 10,894.36, 16,331.76 and 3,964

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Solution

The fourth proportional to 10,894.36, 16,331.76 and 3,964 is: 5,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.36 : 16,331.76 = 3,964 : x
  2. Step 2: Convert to fraction form
    10,894.36/16,331.76 = 3,964/x
  3. Step 3: Cross multiply
    10,894.36x = 16,331.76 × 3,964
  4. Step 4: Simplify right side
    10,894.36x = 64,739,096.64
  5. Step 5: Solve for x
    x = 64,739,096.64/10,894.36
  6. Step 6: Final answer
    x = 5,942.44

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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.