Home / 11,384.92-17,072.08-3,886.45

Finding the Fourth Proportional to 11,384.92, 17,072.08 and 3,886.45

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Solution

The fourth proportional to 11,384.92, 17,072.08 and 3,886.45 is: 5,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.92 : 17,072.08 = 3,886.45 : x
  2. Step 2: Convert to fraction form
    11,384.92/17,072.08 = 3,886.45/x
  3. Step 3: Cross multiply
    11,384.92x = 17,072.08 × 3,886.45
  4. Step 4: Simplify right side
    11,384.92x = 66,349,754.78
  5. Step 5: Solve for x
    x = 66,349,754.78/11,384.92
  6. Step 6: Final answer
    x = 5,827.86

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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.