Home / 11,285.72-16,954.53-7,961.62

Finding the Fourth Proportional to 11,285.72, 16,954.53 and 7,961.62

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Solution

The fourth proportional to 11,285.72, 16,954.53 and 7,961.62 is: 11,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.72 : 16,954.53 = 7,961.62 : x
  2. Step 2: Convert to fraction form
    11,285.72/16,954.53 = 7,961.62/x
  3. Step 3: Cross multiply
    11,285.72x = 16,954.53 × 7,961.62
  4. Step 4: Simplify right side
    11,285.72x = 134,985,525.14
  5. Step 5: Solve for x
    x = 134,985,525.14/11,285.72
  6. Step 6: Final answer
    x = 11,960.74

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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.