Home / 16,781.11-25,172.78-4,935.94

Finding the Fourth Proportional to 16,781.11, 25,172.78 and 4,935.94

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Solution

The fourth proportional to 16,781.11, 25,172.78 and 4,935.94 is: 7,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.11 : 25,172.78 = 4,935.94 : x
  2. Step 2: Convert to fraction form
    16,781.11/25,172.78 = 4,935.94/x
  3. Step 3: Cross multiply
    16,781.11x = 25,172.78 × 4,935.94
  4. Step 4: Simplify right side
    16,781.11x = 124,251,419.02
  5. Step 5: Solve for x
    x = 124,251,419.02/16,781.11
  6. Step 6: Final answer
    x = 7,404.24

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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.