Home / 10,874.24-16,313.91-3,478.76

Finding the Fourth Proportional to 10,874.24, 16,313.91 and 3,478.76

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Solution

The fourth proportional to 10,874.24, 16,313.91 and 3,478.76 is: 5,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.24 : 16,313.91 = 3,478.76 : x
  2. Step 2: Convert to fraction form
    10,874.24/16,313.91 = 3,478.76/x
  3. Step 3: Cross multiply
    10,874.24x = 16,313.91 × 3,478.76
  4. Step 4: Simplify right side
    10,874.24x = 56,752,095.98
  5. Step 5: Solve for x
    x = 56,752,095.98/10,874.24
  6. Step 6: Final answer
    x = 5,218.95

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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.