Home / 11,396.48-15,727.80-6,360.91

Finding the Fourth Proportional to 11,396.48, 15,727.80 and 6,360.91

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Solution

The fourth proportional to 11,396.48, 15,727.80 and 6,360.91 is: 8,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.48 : 15,727.80 = 6,360.91 : x
  2. Step 2: Convert to fraction form
    11,396.48/15,727.80 = 6,360.91/x
  3. Step 3: Cross multiply
    11,396.48x = 15,727.80 × 6,360.91
  4. Step 4: Simplify right side
    11,396.48x = 100,043,104.83
  5. Step 5: Solve for x
    x = 100,043,104.83/11,396.48
  6. Step 6: Final answer
    x = 8,778.43

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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.