Home / 11,381.26-17,071.72-6,940.23

Finding the Fourth Proportional to 11,381.26, 17,071.72 and 6,940.23

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Solution

The fourth proportional to 11,381.26, 17,071.72 and 6,940.23 is: 10,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.26 : 17,071.72 = 6,940.23 : x
  2. Step 2: Convert to fraction form
    11,381.26/17,071.72 = 6,940.23/x
  3. Step 3: Cross multiply
    11,381.26x = 17,071.72 × 6,940.23
  4. Step 4: Simplify right side
    11,381.26x = 118,481,663.30
  5. Step 5: Solve for x
    x = 118,481,663.30/11,381.26
  6. Step 6: Final answer
    x = 10,410.24

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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.