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Finding the Fourth Proportional to 16,811, 25,214.23 and 6,948.91

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Solution

The fourth proportional to 16,811, 25,214.23 and 6,948.91 is: 10,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811 : 25,214.23 = 6,948.91 : x
  2. Step 2: Convert to fraction form
    16,811/25,214.23 = 6,948.91/x
  3. Step 3: Cross multiply
    16,811x = 25,214.23 × 6,948.91
  4. Step 4: Simplify right side
    16,811x = 175,211,414.99
  5. Step 5: Solve for x
    x = 175,211,414.99/16,811
  6. Step 6: Final answer
    x = 10,422.43

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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.