Home / 11,145.90-16,691.85-5,940.30

Finding the Fourth Proportional to 11,145.90, 16,691.85 and 5,940.30

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Solution

The fourth proportional to 11,145.90, 16,691.85 and 5,940.30 is: 8,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.90 : 16,691.85 = 5,940.30 : x
  2. Step 2: Convert to fraction form
    11,145.90/16,691.85 = 5,940.30/x
  3. Step 3: Cross multiply
    11,145.90x = 16,691.85 × 5,940.30
  4. Step 4: Simplify right side
    11,145.90x = 99,154,596.56
  5. Step 5: Solve for x
    x = 99,154,596.56/11,145.90
  6. Step 6: Final answer
    x = 8,896.06

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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.