Home / 11,552.72-15,942.76-6,247.54

Finding the Fourth Proportional to 11,552.72, 15,942.76 and 6,247.54

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Solution

The fourth proportional to 11,552.72, 15,942.76 and 6,247.54 is: 8,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.72 : 15,942.76 = 6,247.54 : x
  2. Step 2: Convert to fraction form
    11,552.72/15,942.76 = 6,247.54/x
  3. Step 3: Cross multiply
    11,552.72x = 15,942.76 × 6,247.54
  4. Step 4: Simplify right side
    11,552.72x = 99,602,975.33
  5. Step 5: Solve for x
    x = 99,602,975.33/11,552.72
  6. Step 6: Final answer
    x = 8,621.60

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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.