Home / 10,365.23-15,542.98-3,786.81

Finding the Fourth Proportional to 10,365.23, 15,542.98 and 3,786.81

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Solution

The fourth proportional to 10,365.23, 15,542.98 and 3,786.81 is: 5,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.23 : 15,542.98 = 3,786.81 : x
  2. Step 2: Convert to fraction form
    10,365.23/15,542.98 = 3,786.81/x
  3. Step 3: Cross multiply
    10,365.23x = 15,542.98 × 3,786.81
  4. Step 4: Simplify right side
    10,365.23x = 58,858,331.77
  5. Step 5: Solve for x
    x = 58,858,331.77/10,365.23
  6. Step 6: Final answer
    x = 5,678.44

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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.