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Finding the Fourth Proportional to 16,885.94, 25,334.37 and 8,119.71

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Solution

The fourth proportional to 16,885.94, 25,334.37 and 8,119.71 is: 12,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.94 : 25,334.37 = 8,119.71 : x
  2. Step 2: Convert to fraction form
    16,885.94/25,334.37 = 8,119.71/x
  3. Step 3: Cross multiply
    16,885.94x = 25,334.37 × 8,119.71
  4. Step 4: Simplify right side
    16,885.94x = 205,707,737.43
  5. Step 5: Solve for x
    x = 205,707,737.43/16,885.94
  6. Step 6: Final answer
    x = 12,182.19

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1.5x scale

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.