Home / 16,811.62-25,197.99-8,921.82

Finding the Fourth Proportional to 16,811.62, 25,197.99 and 8,921.82

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Solution

The fourth proportional to 16,811.62, 25,197.99 and 8,921.82 is: 13,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.62 : 25,197.99 = 8,921.82 : x
  2. Step 2: Convert to fraction form
    16,811.62/25,197.99 = 8,921.82/x
  3. Step 3: Cross multiply
    16,811.62x = 25,197.99 × 8,921.82
  4. Step 4: Simplify right side
    16,811.62x = 224,811,931.14
  5. Step 5: Solve for x
    x = 224,811,931.14/16,811.62
  6. Step 6: Final answer
    x = 13,372.41

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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.