Home / 11,803.32-17,702.15-3,481.08

Finding the Fourth Proportional to 11,803.32, 17,702.15 and 3,481.08

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Solution

The fourth proportional to 11,803.32, 17,702.15 and 3,481.08 is: 5,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.32 : 17,702.15 = 3,481.08 : x
  2. Step 2: Convert to fraction form
    11,803.32/17,702.15 = 3,481.08/x
  3. Step 3: Cross multiply
    11,803.32x = 17,702.15 × 3,481.08
  4. Step 4: Simplify right side
    11,803.32x = 61,622,516.53
  5. Step 5: Solve for x
    x = 61,622,516.53/11,803.32
  6. Step 6: Final answer
    x = 5,220.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.