Home / 10,936.31-16,404.66-3,145.32

Finding the Fourth Proportional to 10,936.31, 16,404.66 and 3,145.32

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Solution

The fourth proportional to 10,936.31, 16,404.66 and 3,145.32 is: 4,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.31 : 16,404.66 = 3,145.32 : x
  2. Step 2: Convert to fraction form
    10,936.31/16,404.66 = 3,145.32/x
  3. Step 3: Cross multiply
    10,936.31x = 16,404.66 × 3,145.32
  4. Step 4: Simplify right side
    10,936.31x = 51,597,905.19
  5. Step 5: Solve for x
    x = 51,597,905.19/10,936.31
  6. Step 6: Final answer
    x = 4,718.04

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1.5x scale

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.