Home / 11,552.21-15,942.05-6,247.03

Finding the Fourth Proportional to 11,552.21, 15,942.05 and 6,247.03

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Solution

The fourth proportional to 11,552.21, 15,942.05 and 6,247.03 is: 8,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.21 : 15,942.05 = 6,247.03 : x
  2. Step 2: Convert to fraction form
    11,552.21/15,942.05 = 6,247.03/x
  3. Step 3: Cross multiply
    11,552.21x = 15,942.05 × 6,247.03
  4. Step 4: Simplify right side
    11,552.21x = 99,590,369.28
  5. Step 5: Solve for x
    x = 99,590,369.28/11,552.21
  6. Step 6: Final answer
    x = 8,620.90

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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.