Home / 10,874.59-16,312.32-3,378.92

Finding the Fourth Proportional to 10,874.59, 16,312.32 and 3,378.92

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Solution

The fourth proportional to 10,874.59, 16,312.32 and 3,378.92 is: 5,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.59 : 16,312.32 = 3,378.92 : x
  2. Step 2: Convert to fraction form
    10,874.59/16,312.32 = 3,378.92/x
  3. Step 3: Cross multiply
    10,874.59x = 16,312.32 × 3,378.92
  4. Step 4: Simplify right side
    10,874.59x = 55,117,942.73
  5. Step 5: Solve for x
    x = 55,117,942.73/10,874.59
  6. Step 6: Final answer
    x = 5,068.51

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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.