Home / 11,086.17-16,631.28-3,689.93

Finding the Fourth Proportional to 11,086.17, 16,631.28 and 3,689.93

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Solution

The fourth proportional to 11,086.17, 16,631.28 and 3,689.93 is: 5,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.17 : 16,631.28 = 3,689.93 : x
  2. Step 2: Convert to fraction form
    11,086.17/16,631.28 = 3,689.93/x
  3. Step 3: Cross multiply
    11,086.17x = 16,631.28 × 3,689.93
  4. Step 4: Simplify right side
    11,086.17x = 61,368,175.85
  5. Step 5: Solve for x
    x = 61,368,175.85/11,086.17
  6. Step 6: Final answer
    x = 5,535.56

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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.