Home / 10,936.08-16,407-3,145.52

Finding the Fourth Proportional to 10,936.08, 16,407 and 3,145.52

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Solution

The fourth proportional to 10,936.08, 16,407 and 3,145.52 is: 4,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.08 : 16,407 = 3,145.52 : x
  2. Step 2: Convert to fraction form
    10,936.08/16,407 = 3,145.52/x
  3. Step 3: Cross multiply
    10,936.08x = 16,407 × 3,145.52
  4. Step 4: Simplify right side
    10,936.08x = 51,608,546.64
  5. Step 5: Solve for x
    x = 51,608,546.64/10,936.08
  6. Step 6: Final answer
    x = 4,719.11

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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.