Home / 11,552.75-15,942.71-6,247.55

Finding the Fourth Proportional to 11,552.75, 15,942.71 and 6,247.55

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Solution

The fourth proportional to 11,552.75, 15,942.71 and 6,247.55 is: 8,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.75 : 15,942.71 = 6,247.55 : x
  2. Step 2: Convert to fraction form
    11,552.75/15,942.71 = 6,247.55/x
  3. Step 3: Cross multiply
    11,552.75x = 15,942.71 × 6,247.55
  4. Step 4: Simplify right side
    11,552.75x = 99,602,766.91
  5. Step 5: Solve for x
    x = 99,602,766.91/11,552.75
  6. Step 6: Final answer
    x = 8,621.57

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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.