Home / 13,913.38-20,846.58-6,884.02

Finding the Fourth Proportional to 13,913.38, 20,846.58 and 6,884.02

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Solution

The fourth proportional to 13,913.38, 20,846.58 and 6,884.02 is: 10,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.38 : 20,846.58 = 6,884.02 : x
  2. Step 2: Convert to fraction form
    13,913.38/20,846.58 = 6,884.02/x
  3. Step 3: Cross multiply
    13,913.38x = 20,846.58 × 6,884.02
  4. Step 4: Simplify right side
    13,913.38x = 143,508,273.65
  5. Step 5: Solve for x
    x = 143,508,273.65/13,913.38
  6. Step 6: Final answer
    x = 10,314.41

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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.