Home / 11,540.70-17,317.71-4,876.65

Finding the Fourth Proportional to 11,540.70, 17,317.71 and 4,876.65

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Solution

The fourth proportional to 11,540.70, 17,317.71 and 4,876.65 is: 7,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.70 : 17,317.71 = 4,876.65 : x
  2. Step 2: Convert to fraction form
    11,540.70/17,317.71 = 4,876.65/x
  3. Step 3: Cross multiply
    11,540.70x = 17,317.71 × 4,876.65
  4. Step 4: Simplify right side
    11,540.70x = 84,452,410.47
  5. Step 5: Solve for x
    x = 84,452,410.47/11,540.70
  6. Step 6: Final answer
    x = 7,317.79

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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.