Home / 10,961.12-15,228.38-10,829.90

Finding the Fourth Proportional to 10,961.12, 15,228.38 and 10,829.90

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Solution

The fourth proportional to 10,961.12, 15,228.38 and 10,829.90 is: 15,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.12 : 15,228.38 = 10,829.90 : x
  2. Step 2: Convert to fraction form
    10,961.12/15,228.38 = 10,829.90/x
  3. Step 3: Cross multiply
    10,961.12x = 15,228.38 × 10,829.90
  4. Step 4: Simplify right side
    10,961.12x = 164,921,778.41
  5. Step 5: Solve for x
    x = 164,921,778.41/10,961.12
  6. Step 6: Final answer
    x = 15,046.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.