Home / 11,355.29-17,035.63-3,859.35

Finding the Fourth Proportional to 11,355.29, 17,035.63 and 3,859.35

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Solution

The fourth proportional to 11,355.29, 17,035.63 and 3,859.35 is: 5,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.29 : 17,035.63 = 3,859.35 : x
  2. Step 2: Convert to fraction form
    11,355.29/17,035.63 = 3,859.35/x
  3. Step 3: Cross multiply
    11,355.29x = 17,035.63 × 3,859.35
  4. Step 4: Simplify right side
    11,355.29x = 65,746,458.64
  5. Step 5: Solve for x
    x = 65,746,458.64/11,355.29
  6. Step 6: Final answer
    x = 5,789.94

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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.