Home / 13,582.25-20,355.32-7,343.82

Finding the Fourth Proportional to 13,582.25, 20,355.32 and 7,343.82

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Solution

The fourth proportional to 13,582.25, 20,355.32 and 7,343.82 is: 11,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.25 : 20,355.32 = 7,343.82 : x
  2. Step 2: Convert to fraction form
    13,582.25/20,355.32 = 7,343.82/x
  3. Step 3: Cross multiply
    13,582.25x = 20,355.32 × 7,343.82
  4. Step 4: Simplify right side
    13,582.25x = 149,485,769.40
  5. Step 5: Solve for x
    x = 149,485,769.40/13,582.25
  6. Step 6: Final answer
    x = 11,005.97

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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.