Home / 11,838.84-17,751.78-3,516.36

Finding the Fourth Proportional to 11,838.84, 17,751.78 and 3,516.36

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Solution

The fourth proportional to 11,838.84, 17,751.78 and 3,516.36 is: 5,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.84 : 17,751.78 = 3,516.36 : x
  2. Step 2: Convert to fraction form
    11,838.84/17,751.78 = 3,516.36/x
  3. Step 3: Cross multiply
    11,838.84x = 17,751.78 × 3,516.36
  4. Step 4: Simplify right side
    11,838.84x = 62,421,649.12
  5. Step 5: Solve for x
    x = 62,421,649.12/11,838.84
  6. Step 6: Final answer
    x = 5,272.62

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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.