Home / 11,738.21-16,198.85-6,432.91

Finding the Fourth Proportional to 11,738.21, 16,198.85 and 6,432.91

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Solution

The fourth proportional to 11,738.21, 16,198.85 and 6,432.91 is: 8,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.21 : 16,198.85 = 6,432.91 : x
  2. Step 2: Convert to fraction form
    11,738.21/16,198.85 = 6,432.91/x
  3. Step 3: Cross multiply
    11,738.21x = 16,198.85 × 6,432.91
  4. Step 4: Simplify right side
    11,738.21x = 104,205,663.16
  5. Step 5: Solve for x
    x = 104,205,663.16/11,738.21
  6. Step 6: Final answer
    x = 8,877.48

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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.