Home / 10,782.36-16,173.48-3,387.36

Finding the Fourth Proportional to 10,782.36, 16,173.48 and 3,387.36

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Solution

The fourth proportional to 10,782.36, 16,173.48 and 3,387.36 is: 5,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.36 : 16,173.48 = 3,387.36 : x
  2. Step 2: Convert to fraction form
    10,782.36/16,173.48 = 3,387.36/x
  3. Step 3: Cross multiply
    10,782.36x = 16,173.48 × 3,387.36
  4. Step 4: Simplify right side
    10,782.36x = 54,785,399.21
  5. Step 5: Solve for x
    x = 54,785,399.21/10,782.36
  6. Step 6: Final answer
    x = 5,081.02

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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.