Home / 10,664.88-16,000.78-6,974.34

Finding the Fourth Proportional to 10,664.88, 16,000.78 and 6,974.34

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Solution

The fourth proportional to 10,664.88, 16,000.78 and 6,974.34 is: 10,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.88 : 16,000.78 = 6,974.34 : x
  2. Step 2: Convert to fraction form
    10,664.88/16,000.78 = 6,974.34/x
  3. Step 3: Cross multiply
    10,664.88x = 16,000.78 × 6,974.34
  4. Step 4: Simplify right side
    10,664.88x = 111,594,879.99
  5. Step 5: Solve for x
    x = 111,594,879.99/10,664.88
  6. Step 6: Final answer
    x = 10,463.77

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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.