Home / 11,188.32-16,782.47-2,868.41

Finding the Fourth Proportional to 11,188.32, 16,782.47 and 2,868.41

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Solution

The fourth proportional to 11,188.32, 16,782.47 and 2,868.41 is: 4,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.32 : 16,782.47 = 2,868.41 : x
  2. Step 2: Convert to fraction form
    11,188.32/16,782.47 = 2,868.41/x
  3. Step 3: Cross multiply
    11,188.32x = 16,782.47 × 2,868.41
  4. Step 4: Simplify right side
    11,188.32x = 48,138,920.86
  5. Step 5: Solve for x
    x = 48,138,920.86/11,188.32
  6. Step 6: Final answer
    x = 4,302.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.