Home / 11,373.80-17,062.09-3,878.62

Finding the Fourth Proportional to 11,373.80, 17,062.09 and 3,878.62

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Solution

The fourth proportional to 11,373.80, 17,062.09 and 3,878.62 is: 5,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.80 : 17,062.09 = 3,878.62 : x
  2. Step 2: Convert to fraction form
    11,373.80/17,062.09 = 3,878.62/x
  3. Step 3: Cross multiply
    11,373.80x = 17,062.09 × 3,878.62
  4. Step 4: Simplify right side
    11,373.80x = 66,177,311.16
  5. Step 5: Solve for x
    x = 66,177,311.16/11,373.80
  6. Step 6: Final answer
    x = 5,818.40

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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.