Home / 13,942.36-20,911.54-4,582.76

Finding the Fourth Proportional to 13,942.36, 20,911.54 and 4,582.76

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Solution

The fourth proportional to 13,942.36, 20,911.54 and 4,582.76 is: 6,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.36 : 20,911.54 = 4,582.76 : x
  2. Step 2: Convert to fraction form
    13,942.36/20,911.54 = 4,582.76/x
  3. Step 3: Cross multiply
    13,942.36x = 20,911.54 × 4,582.76
  4. Step 4: Simplify right side
    13,942.36x = 95,832,569.05
  5. Step 5: Solve for x
    x = 95,832,569.05/13,942.36
  6. Step 6: Final answer
    x = 6,873.48

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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.