Home / 11,317.44-16,976.28-3,420.02

Finding the Fourth Proportional to 11,317.44, 16,976.28 and 3,420.02

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Solution

The fourth proportional to 11,317.44, 16,976.28 and 3,420.02 is: 5,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.44 : 16,976.28 = 3,420.02 : x
  2. Step 2: Convert to fraction form
    11,317.44/16,976.28 = 3,420.02/x
  3. Step 3: Cross multiply
    11,317.44x = 16,976.28 × 3,420.02
  4. Step 4: Simplify right side
    11,317.44x = 58,059,217.13
  5. Step 5: Solve for x
    x = 58,059,217.13/11,317.44
  6. Step 6: Final answer
    x = 5,130.07

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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.