Home / 10,781.08-16,171.62-3,384.94

Finding the Fourth Proportional to 10,781.08, 16,171.62 and 3,384.94

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Solution

The fourth proportional to 10,781.08, 16,171.62 and 3,384.94 is: 5,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.08 : 16,171.62 = 3,384.94 : x
  2. Step 2: Convert to fraction form
    10,781.08/16,171.62 = 3,384.94/x
  3. Step 3: Cross multiply
    10,781.08x = 16,171.62 × 3,384.94
  4. Step 4: Simplify right side
    10,781.08x = 54,739,963.40
  5. Step 5: Solve for x
    x = 54,739,963.40/10,781.08
  6. Step 6: Final answer
    x = 5,077.41

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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.