Home / 10,936.90-15,101.52-8,805.66

Finding the Fourth Proportional to 10,936.90, 15,101.52 and 8,805.66

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Solution

The fourth proportional to 10,936.90, 15,101.52 and 8,805.66 is: 12,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.90 : 15,101.52 = 8,805.66 : x
  2. Step 2: Convert to fraction form
    10,936.90/15,101.52 = 8,805.66/x
  3. Step 3: Cross multiply
    10,936.90x = 15,101.52 × 8,805.66
  4. Step 4: Simplify right side
    10,936.90x = 132,978,850.60
  5. Step 5: Solve for x
    x = 132,978,850.60/10,936.90
  6. Step 6: Final answer
    x = 12,158.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.