Home / 13,757.73-20,628.84-4,395.55

Finding the Fourth Proportional to 13,757.73, 20,628.84 and 4,395.55

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Solution

The fourth proportional to 13,757.73, 20,628.84 and 4,395.55 is: 6,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.73 : 20,628.84 = 4,395.55 : x
  2. Step 2: Convert to fraction form
    13,757.73/20,628.84 = 4,395.55/x
  3. Step 3: Cross multiply
    13,757.73x = 20,628.84 × 4,395.55
  4. Step 4: Simplify right side
    13,757.73x = 90,675,097.66
  5. Step 5: Solve for x
    x = 90,675,097.66/13,757.73
  6. Step 6: Final answer
    x = 6,590.85

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1.5x scale

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.