Home / 11,935.17-17,902.77-4,138.50

Finding the Fourth Proportional to 11,935.17, 17,902.77 and 4,138.50

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Solution

The fourth proportional to 11,935.17, 17,902.77 and 4,138.50 is: 6,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.17 : 17,902.77 = 4,138.50 : x
  2. Step 2: Convert to fraction form
    11,935.17/17,902.77 = 4,138.50/x
  3. Step 3: Cross multiply
    11,935.17x = 17,902.77 × 4,138.50
  4. Step 4: Simplify right side
    11,935.17x = 74,090,613.65
  5. Step 5: Solve for x
    x = 74,090,613.65/11,935.17
  6. Step 6: Final answer
    x = 6,207.76

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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.