Home / 13,982.91-20,977.53-4,622.55

Finding the Fourth Proportional to 13,982.91, 20,977.53 and 4,622.55

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Solution

The fourth proportional to 13,982.91, 20,977.53 and 4,622.55 is: 6,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.91 : 20,977.53 = 4,622.55 : x
  2. Step 2: Convert to fraction form
    13,982.91/20,977.53 = 4,622.55/x
  3. Step 3: Cross multiply
    13,982.91x = 20,977.53 × 4,622.55
  4. Step 4: Simplify right side
    13,982.91x = 96,969,681.30
  5. Step 5: Solve for x
    x = 96,969,681.30/13,982.91
  6. Step 6: Final answer
    x = 6,934.87

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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.