Home / 11,884.25-16,396.29-7,342.07

Finding the Fourth Proportional to 11,884.25, 16,396.29 and 7,342.07

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Solution

The fourth proportional to 11,884.25, 16,396.29 and 7,342.07 is: 10,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.25 : 16,396.29 = 7,342.07 : x
  2. Step 2: Convert to fraction form
    11,884.25/16,396.29 = 7,342.07/x
  3. Step 3: Cross multiply
    11,884.25x = 16,396.29 × 7,342.07
  4. Step 4: Simplify right side
    11,884.25x = 120,382,626.94
  5. Step 5: Solve for x
    x = 120,382,626.94/11,884.25
  6. Step 6: Final answer
    x = 10,129.59

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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.