Home / 11,173.26-15,419.57-6,696.17

Finding the Fourth Proportional to 11,173.26, 15,419.57 and 6,696.17

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Solution

The fourth proportional to 11,173.26, 15,419.57 and 6,696.17 is: 9,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.26 : 15,419.57 = 6,696.17 : x
  2. Step 2: Convert to fraction form
    11,173.26/15,419.57 = 6,696.17/x
  3. Step 3: Cross multiply
    11,173.26x = 15,419.57 × 6,696.17
  4. Step 4: Simplify right side
    11,173.26x = 103,252,062.05
  5. Step 5: Solve for x
    x = 103,252,062.05/11,173.26
  6. Step 6: Final answer
    x = 9,241.00

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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.