Home / 16,784.95-25,175.70-5,691.34

Finding the Fourth Proportional to 16,784.95, 25,175.70 and 5,691.34

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Solution

The fourth proportional to 16,784.95, 25,175.70 and 5,691.34 is: 8,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.95 : 25,175.70 = 5,691.34 : x
  2. Step 2: Convert to fraction form
    16,784.95/25,175.70 = 5,691.34/x
  3. Step 3: Cross multiply
    16,784.95x = 25,175.70 × 5,691.34
  4. Step 4: Simplify right side
    16,784.95x = 143,283,468.44
  5. Step 5: Solve for x
    x = 143,283,468.44/16,784.95
  6. Step 6: Final answer
    x = 8,536.43

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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.