Home / 11,914.13-16,432.21-8,327.92

Finding the Fourth Proportional to 11,914.13, 16,432.21 and 8,327.92

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Solution

The fourth proportional to 11,914.13, 16,432.21 and 8,327.92 is: 11,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.13 : 16,432.21 = 8,327.92 : x
  2. Step 2: Convert to fraction form
    11,914.13/16,432.21 = 8,327.92/x
  3. Step 3: Cross multiply
    11,914.13x = 16,432.21 × 8,327.92
  4. Step 4: Simplify right side
    11,914.13x = 136,846,130.30
  5. Step 5: Solve for x
    x = 136,846,130.30/11,914.13
  6. Step 6: Final answer
    x = 11,486.04

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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.