Home / 11,405.44-15,737.59-6,369.48

Finding the Fourth Proportional to 11,405.44, 15,737.59 and 6,369.48

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Solution

The fourth proportional to 11,405.44, 15,737.59 and 6,369.48 is: 8,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.44 : 15,737.59 = 6,369.48 : x
  2. Step 2: Convert to fraction form
    11,405.44/15,737.59 = 6,369.48/x
  3. Step 3: Cross multiply
    11,405.44x = 15,737.59 × 6,369.48
  4. Step 4: Simplify right side
    11,405.44x = 100,240,170.14
  5. Step 5: Solve for x
    x = 100,240,170.14/11,405.44
  6. Step 6: Final answer
    x = 8,788.80

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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.