Home / 11,621.76-17,442.90-6,361.62

Finding the Fourth Proportional to 11,621.76, 17,442.90 and 6,361.62

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Solution

The fourth proportional to 11,621.76, 17,442.90 and 6,361.62 is: 9,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.76 : 17,442.90 = 6,361.62 : x
  2. Step 2: Convert to fraction form
    11,621.76/17,442.90 = 6,361.62/x
  3. Step 3: Cross multiply
    11,621.76x = 17,442.90 × 6,361.62
  4. Step 4: Simplify right side
    11,621.76x = 110,965,101.50
  5. Step 5: Solve for x
    x = 110,965,101.50/11,621.76
  6. Step 6: Final answer
    x = 9,548.05

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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.