Home / 11,405.25-15,737.49-6,369.26

Finding the Fourth Proportional to 11,405.25, 15,737.49 and 6,369.26

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Solution

The fourth proportional to 11,405.25, 15,737.49 and 6,369.26 is: 8,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.25 : 15,737.49 = 6,369.26 : x
  2. Step 2: Convert to fraction form
    11,405.25/15,737.49 = 6,369.26/x
  3. Step 3: Cross multiply
    11,405.25x = 15,737.49 × 6,369.26
  4. Step 4: Simplify right side
    11,405.25x = 100,236,086.87
  5. Step 5: Solve for x
    x = 100,236,086.87/11,405.25
  6. Step 6: Final answer
    x = 8,788.59

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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.