Home / 15,906.20-21,950.43-8,832.64

Finding the Fourth Proportional to 15,906.20, 21,950.43 and 8,832.64

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Solution

The fourth proportional to 15,906.20, 21,950.43 and 8,832.64 is: 12,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.20 : 21,950.43 = 8,832.64 : x
  2. Step 2: Convert to fraction form
    15,906.20/21,950.43 = 8,832.64/x
  3. Step 3: Cross multiply
    15,906.20x = 21,950.43 × 8,832.64
  4. Step 4: Simplify right side
    15,906.20x = 193,880,246.04
  5. Step 5: Solve for x
    x = 193,880,246.04/15,906.20
  6. Step 6: Final answer
    x = 12,188.97

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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.