Home / 13,977.43-20,966.91-4,617.57

Finding the Fourth Proportional to 13,977.43, 20,966.91 and 4,617.57

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Solution

The fourth proportional to 13,977.43, 20,966.91 and 4,617.57 is: 6,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.43 : 20,966.91 = 4,617.57 : x
  2. Step 2: Convert to fraction form
    13,977.43/20,966.91 = 4,617.57/x
  3. Step 3: Cross multiply
    13,977.43x = 20,966.91 × 4,617.57
  4. Step 4: Simplify right side
    13,977.43x = 96,816,174.61
  5. Step 5: Solve for x
    x = 96,816,174.61/13,977.43
  6. Step 6: Final answer
    x = 6,926.61

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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.