Home / 10,365.66-15,550.74-3,791.79

Finding the Fourth Proportional to 10,365.66, 15,550.74 and 3,791.79

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Solution

The fourth proportional to 10,365.66, 15,550.74 and 3,791.79 is: 5,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.66 : 15,550.74 = 3,791.79 : x
  2. Step 2: Convert to fraction form
    10,365.66/15,550.74 = 3,791.79/x
  3. Step 3: Cross multiply
    10,365.66x = 15,550.74 × 3,791.79
  4. Step 4: Simplify right side
    10,365.66x = 58,965,140.42
  5. Step 5: Solve for x
    x = 58,965,140.42/10,365.66
  6. Step 6: Final answer
    x = 5,688.51

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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.