Home / 13,874.45-20,816.06-4,983.68

Finding the Fourth Proportional to 13,874.45, 20,816.06 and 4,983.68

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Solution

The fourth proportional to 13,874.45, 20,816.06 and 4,983.68 is: 7,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.45 : 20,816.06 = 4,983.68 : x
  2. Step 2: Convert to fraction form
    13,874.45/20,816.06 = 4,983.68/x
  3. Step 3: Cross multiply
    13,874.45x = 20,816.06 × 4,983.68
  4. Step 4: Simplify right side
    13,874.45x = 103,740,609.02
  5. Step 5: Solve for x
    x = 103,740,609.02/13,874.45
  6. Step 6: Final answer
    x = 7,477.10

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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.