Home / 10,691.86-16,037.64-3,576.62

Finding the Fourth Proportional to 10,691.86, 16,037.64 and 3,576.62

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Solution

The fourth proportional to 10,691.86, 16,037.64 and 3,576.62 is: 5,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.86 : 16,037.64 = 3,576.62 : x
  2. Step 2: Convert to fraction form
    10,691.86/16,037.64 = 3,576.62/x
  3. Step 3: Cross multiply
    10,691.86x = 16,037.64 × 3,576.62
  4. Step 4: Simplify right side
    10,691.86x = 57,360,543.98
  5. Step 5: Solve for x
    x = 57,360,543.98/10,691.86
  6. Step 6: Final answer
    x = 5,364.88

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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.