Home / 11,247.07-15,520.83-6,211.19

Finding the Fourth Proportional to 11,247.07, 15,520.83 and 6,211.19

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Solution

The fourth proportional to 11,247.07, 15,520.83 and 6,211.19 is: 8,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.07 : 15,520.83 = 6,211.19 : x
  2. Step 2: Convert to fraction form
    11,247.07/15,520.83 = 6,211.19/x
  3. Step 3: Cross multiply
    11,247.07x = 15,520.83 × 6,211.19
  4. Step 4: Simplify right side
    11,247.07x = 96,402,830.88
  5. Step 5: Solve for x
    x = 96,402,830.88/11,247.07
  6. Step 6: Final answer
    x = 8,571.37

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Half scale
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Double scale
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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.