Home / 11,621.62-16,041.96-6,905.88

Finding the Fourth Proportional to 11,621.62, 16,041.96 and 6,905.88

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Solution

The fourth proportional to 11,621.62, 16,041.96 and 6,905.88 is: 9,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.62 : 16,041.96 = 6,905.88 : x
  2. Step 2: Convert to fraction form
    11,621.62/16,041.96 = 6,905.88/x
  3. Step 3: Cross multiply
    11,621.62x = 16,041.96 × 6,905.88
  4. Step 4: Simplify right side
    11,621.62x = 110,783,850.72
  5. Step 5: Solve for x
    x = 110,783,850.72/11,621.62
  6. Step 6: Final answer
    x = 9,532.57

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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.