Home / 10,691.26-16,042.64-4,455.58

Finding the Fourth Proportional to 10,691.26, 16,042.64 and 4,455.58

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Solution

The fourth proportional to 10,691.26, 16,042.64 and 4,455.58 is: 6,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.26 : 16,042.64 = 4,455.58 : x
  2. Step 2: Convert to fraction form
    10,691.26/16,042.64 = 4,455.58/x
  3. Step 3: Cross multiply
    10,691.26x = 16,042.64 × 4,455.58
  4. Step 4: Simplify right side
    10,691.26x = 71,479,265.93
  5. Step 5: Solve for x
    x = 71,479,265.93/10,691.26
  6. Step 6: Final answer
    x = 6,685.77

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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.